Chemical kinetics Questions and Answers
![22 For a reaction of the type A B products it is observed that doubling the concentration of A causes the reaction rate to be four times as great but doubling the amount of B does not effect the rate The rate equation is 1 Rate K A B 3 Rate K AB 2 Rate K A 4 Rate K APIB CK0024 de 8 1 29 TE FOUNG or 1 2 3](https://media.kunduz.com/media/sug-question-candidate/20210827182118514259-2305126.jpg?w=256)
Physical Chemistry
Chemical kinetics22 For a reaction of the type A B products it is observed that doubling the concentration of A causes the reaction rate to be four times as great but doubling the amount of B does not effect the rate The rate equation is 1 Rate K A B 3 Rate K AB 2 Rate K A 4 Rate K APIB CK0024 de 8 1 29 TE FOUNG or 1 2 3
![CK0023 2 22 For a reaction of the type A B products it is observed that doubling the concentration of A causes the reaction rate to be four times as great but doubling the amount of B does not effect the rate The rate equation is 1 Rate K A B 2 Rate K A 3 Rate KAPIB 4 Rate KIA B 2](https://media.kunduz.com/media/sug-question-candidate/20210827155308040384-2305126.jpg?w=256)
Physical Chemistry
Chemical kineticsCK0023 2 22 For a reaction of the type A B products it is observed that doubling the concentration of A causes the reaction rate to be four times as great but doubling the amount of B does not effect the rate The rate equation is 1 Rate K A B 2 Rate K A 3 Rate KAPIB 4 Rate KIA B 2
![Following graph represents variation of half life period t 2 of a nth order reaction with A initial concentration of the reactant 1 12 A Order of reaction may be 0 1 02 01 1 2 Zoro](https://media.kunduz.com/media/sug-question-candidate/20210716035032487452-3548224.jpg?w=256)
Physical Chemistry
Chemical kineticsFollowing graph represents variation of half life period t 2 of a nth order reaction with A initial concentration of the reactant 1 12 A Order of reaction may be 0 1 02 01 1 2 Zoro
![21 The rate law for the single step reaction 2A B 2C is given by 1 Rate K A B 2 Rate KAIBI 3 Rate K 2A B 4 Rate KIA B](https://media.kunduz.com/media/sug-question-candidate/20210827155256598168-2305126.jpg?w=256)
Physical Chemistry
Chemical kinetics21 The rate law for the single step reaction 2A B 2C is given by 1 Rate K A B 2 Rate KAIBI 3 Rate K 2A B 4 Rate KIA B
![26 For the reaction A B products it is found that the order of A is 1 and the order of B is When the concentration of both A and B are increased four times the rate will increase by a factor of 1 16 3 6 4 4 2 8](https://media.kunduz.com/media/sug-question-candidate/20210827182220066495-2305126.jpg?w=256)
Physical Chemistry
Chemical kinetics26 For the reaction A B products it is found that the order of A is 1 and the order of B is When the concentration of both A and B are increased four times the rate will increase by a factor of 1 16 3 6 4 4 2 8
![Which among the following is a first order reaction O 2 NH3 g O O g O 2H O 1130K Pt catalyst N g 3 H g 2NO g 10 g 2 1 alkaline medium O 2 NO g O g 2 NO g 2H O O](https://media.kunduz.com/media/sug-question-candidate/20210716045306102578-3548224.jpg?w=256)
Physical Chemistry
Chemical kineticsWhich among the following is a first order reaction O 2 NH3 g O O g O 2H O 1130K Pt catalyst N g 3 H g 2NO g 10 g 2 1 alkaline medium O 2 NO g O g 2 NO g 2H O O
![Pre Medical Chemistry 59 16 Select the rate law that corresponds to the data shown for the following reaction A B C Exp A 1 0 012 2 0 024 3 0 024 4 0 012 1 Rate K B 3 Rate m K A B B Initial rate 0 10 0 035 0 070 1 6 0 035 0 20 0 070 0 80 2 Rate K B 4 Rate KIABJ CK0016](https://media.kunduz.com/media/sug-question-candidate/20210827144443190399-2305126.jpg?w=256)
Physical Chemistry
Chemical kineticsPre Medical Chemistry 59 16 Select the rate law that corresponds to the data shown for the following reaction A B C Exp A 1 0 012 2 0 024 3 0 024 4 0 012 1 Rate K B 3 Rate m K A B B Initial rate 0 10 0 035 0 070 1 6 0 035 0 20 0 070 0 80 2 Rate K B 4 Rate KIABJ CK0016
![6 Rate of formation of SO according to the reaction 2SO O 250 is 1 6x10 kg L min Hence rate of decomposition of SO is 1 1 6 x 10 2 8 0 x 10 3 3 2 x 10 4 1 28 x 10 kg L min kg L min kg L min kg L min CK0006](https://media.kunduz.com/media/sug-question-candidate/20210827144120771932-2305126.jpg?w=256)
Physical Chemistry
Chemical kinetics6 Rate of formation of SO according to the reaction 2SO O 250 is 1 6x10 kg L min Hence rate of decomposition of SO is 1 1 6 x 10 2 8 0 x 10 3 3 2 x 10 4 1 28 x 10 kg L min kg L min kg L min kg L min CK0006
![For the reaction N O 2NO 20 d N 05 dt Given d0 1 dt K N O51 NO KINO dt KINOI The relation between K K and K is 1 2K K 4K 2 K K K 3 2K 4K K 4 None CK0005](https://media.kunduz.com/media/sug-question-candidate/20210827144105673472-2305126.jpg?w=256)
Physical Chemistry
Chemical kineticsFor the reaction N O 2NO 20 d N 05 dt Given d0 1 dt K N O51 NO KINO dt KINOI The relation between K K and K is 1 2K K 4K 2 K K K 3 2K 4K K 4 None CK0005
![CK0001 In the formation of sulphur trioxide by the contac process 2SO g O g 2SO g the rate o reaction is expressed as d 0 2 5 x 10 mol L s dt The rate of disappearance of SO will be 1 5 x 104 mol L s 2 2 25 x 104 mol L s 3 3 75 x 104 mol L s 4 50 0 x 104 mol L st](https://media.kunduz.com/media/sug-question-candidate/20210827151031586211-2662149.jpg?w=256)
Physical Chemistry
Chemical kineticsCK0001 In the formation of sulphur trioxide by the contac process 2SO g O g 2SO g the rate o reaction is expressed as d 0 2 5 x 10 mol L s dt The rate of disappearance of SO will be 1 5 x 104 mol L s 2 2 25 x 104 mol L s 3 3 75 x 104 mol L s 4 50 0 x 104 mol L st
![50 During 2A B Run the kinetic study of the reaction C D following results were obtained A mol L 1 B mol L 1 Initial rate of formation of D mol L min 1 0 1 II 0 3 III 0 3 N 0 4 I 0 1 0 2 0 4 0 1 2 1 rate k A B 3 rate k A B 6 0 10 3 7 2 x 10 2 2 88 x 10 1 2 40 10 Based on the above data which one of the following is correct 2 rate K A B 4 rate k A B](https://media.kunduz.com/media/sug-question-candidate/20210827144255489609-3567026.jpg?w=256)
Physical Chemistry
Chemical kinetics50 During 2A B Run the kinetic study of the reaction C D following results were obtained A mol L 1 B mol L 1 Initial rate of formation of D mol L min 1 0 1 II 0 3 III 0 3 N 0 4 I 0 1 0 2 0 4 0 1 2 1 rate k A B 3 rate k A B 6 0 10 3 7 2 x 10 2 2 88 x 10 1 2 40 10 Based on the above data which one of the following is correct 2 rate K A B 4 rate k A B
![RATE LAW ORDER MOLECULARITY 10 For gaseous reaction ratek A B If volume of container is reduced to of initial then the 1 rate of the reaction will be times of initial 2 8 4 16 100 3 16](https://media.kunduz.com/media/sug-question-candidate/20210827144235593616-2305126.jpg?w=256)
Physical Chemistry
Chemical kineticsRATE LAW ORDER MOLECULARITY 10 For gaseous reaction ratek A B If volume of container is reduced to of initial then the 1 rate of the reaction will be times of initial 2 8 4 16 100 3 16
![1 2A B Product is an elementary reaction If pressure of both A and B is increased three times of the initial pressure the rate of forward reaction will be of the previous rate 1 9 times 2 27 times 4 2 7 times 3 times The ra of certain hunothe CK0011](https://media.kunduz.com/media/sug-question-candidate/20210827144253646723-2305126.jpg?w=256)
Physical Chemistry
Chemical kinetics1 2A B Product is an elementary reaction If pressure of both A and B is increased three times of the initial pressure the rate of forward reaction will be of the previous rate 1 9 times 2 27 times 4 2 7 times 3 times The ra of certain hunothe CK0011
![60 20 Pre Medical Chemistry For a chemical reaction A B is one with respect to each A and B Value of x and y from the given data is JAJ Rate mol L s 0 10 0 40 0 80 1 0 20 0 80 3 0 80 0 20 0 20 M X 0 40 M product the order 26 B 0 05 M 0 05 M y 2 0 80 0 40 4 0 40 0 20 27](https://media.kunduz.com/media/sug-question-candidate/20210827155245118535-2305126.jpg?w=256)
Physical Chemistry
Chemical kinetics60 20 Pre Medical Chemistry For a chemical reaction A B is one with respect to each A and B Value of x and y from the given data is JAJ Rate mol L s 0 10 0 40 0 80 1 0 20 0 80 3 0 80 0 20 0 20 M X 0 40 M product the order 26 B 0 05 M 0 05 M y 2 0 80 0 40 4 0 40 0 20 27
![and 1 Consider the reaction N g 3H g 2NH g The correct equality relationship between d H dt 2 3 dt 4 dt d NH 1 d H dt 3 dt 3 d NH 2 d H 3 dt dt d NH 3 d H dt 2 dt d NH d H dt 2 dt CK0117 dNH dt RED LO STRONORS R](https://media.kunduz.com/media/sug-question-candidate/20210827144207073549-2305126.jpg?w=256)
Physical Chemistry
Chemical kineticsand 1 Consider the reaction N g 3H g 2NH g The correct equality relationship between d H dt 2 3 dt 4 dt d NH 1 d H dt 3 dt 3 d NH 2 d H 3 dt dt d NH 3 d H dt 2 dt d NH d H dt 2 dt CK0117 dNH dt RED LO STRONORS R
![Which one is the correct graph for zero order reaction where R is the concentration of reactant O Rate Rate R R Rate R 4 2 Rate R](https://media.kunduz.com/media/sug-question-candidate/20210716034928385287-3548224.jpg?w=256)
Physical Chemistry
Chemical kineticsWhich one is the correct graph for zero order reaction where R is the concentration of reactant O Rate Rate R R Rate R 4 2 Rate R
![eaction 2N O5 9 2N O4 g O g If initial pressure of N O5 is 2 atm then total pressure at t t 2 is Options 1 atm 5 2 atm 3 atm 6 atm Solution](https://media.kunduz.com/media/sug-question-candidate/20210827151535688603-3230348.jpg?w=256)
Physical Chemistry
Chemical kineticseaction 2N O5 9 2N O4 g O g If initial pressure of N O5 is 2 atm then total pressure at t t 2 is Options 1 atm 5 2 atm 3 atm 6 atm Solution
![3 2r 31 For the reaction 2A B 3C D Which of the following does not express the reaction rate 1 d C 2 3 dt d B dt 3 CK0007 d D 1d A 4 dit 2 dt](https://media.kunduz.com/media/sug-question-candidate/20210827144151612429-2305126.jpg?w=256)
Physical Chemistry
Chemical kinetics3 2r 31 For the reaction 2A B 3C D Which of the following does not express the reaction rate 1 d C 2 3 dt d B dt 3 CK0007 d D 1d A 4 dit 2 dt
![For a hypothetical reaction A B C the following data were obtained in three different experiments B A mol L moll mol L 0 01 0 01 0 01 0 03 0 03 0 03 The rate law will be 1 r K AB 3 r KIA B Rate of reaction mol L min 1 0x10 9 0x101 2 70x10 2 r K A B 4 None of these CKOOL](https://media.kunduz.com/media/sug-question-candidate/20210827144520675934-2305126.jpg?w=256)
Physical Chemistry
Chemical kineticsFor a hypothetical reaction A B C the following data were obtained in three different experiments B A mol L moll mol L 0 01 0 01 0 01 0 03 0 03 0 03 The rate law will be 1 r K AB 3 r KIA B Rate of reaction mol L min 1 0x10 9 0x101 2 70x10 2 r K A B 4 None of these CKOOL
![18 The reactions having very high values of energy of activation are generally A Very slow B Very fast C Spontaneous D Medium fast 19 For a first order reaction K 10 3 min its t A 3300 min B 2000 min C 1500 min D None of the three 20 For which reaction the collision theory is generally more satisfactory A First order B Second order C Zero order D Any order 21 In the reaction AB if the concentration of A is doubled then the reaction rate increases by 1 59 times then what will be the order of reaction](https://media.kunduz.com/media/sug-question-candidate/20210716020144946081-2094584.jpg?w=256)
Physical Chemistry
Chemical kinetics18 The reactions having very high values of energy of activation are generally A Very slow B Very fast C Spontaneous D Medium fast 19 For a first order reaction K 10 3 min its t A 3300 min B 2000 min C 1500 min D None of the three 20 For which reaction the collision theory is generally more satisfactory A First order B Second order C Zero order D Any order 21 In the reaction AB if the concentration of A is doubled then the reaction rate increases by 1 59 times then what will be the order of reaction
![In a first order reaction A P the ratio of a a x was found to be 8 after 60 min If the concentration is 0 1 M then the rate of reaction is 1 2 226 103 mol L min 2 3 466 10 mol L min 3 4 455x10 mol L min 4 5 532x10 mol L min](https://media.kunduz.com/media/sug-question-candidate/20210827134547742484-2617783.jpg?w=256)
Physical Chemistry
Chemical kineticsIn a first order reaction A P the ratio of a a x was found to be 8 after 60 min If the concentration is 0 1 M then the rate of reaction is 1 2 226 103 mol L min 2 3 466 10 mol L min 3 4 455x10 mol L min 4 5 532x10 mol L min
![3 T 27 3 K 4 T 273 K 2 At a given temperature equilibrium is attained when 50 of each reactant is converted into the products A g Bg C g Dg If amount of B g is doubled percentage of B converted into products will be 1 100 2 50 3 66 67 4 33 33](https://media.kunduz.com/media/sug-question-candidate/20210827133210386876-3601283.jpg?w=256)
Physical Chemistry
Chemical kinetics3 T 27 3 K 4 T 273 K 2 At a given temperature equilibrium is attained when 50 of each reactant is converted into the products A g Bg C g Dg If amount of B g is doubled percentage of B converted into products will be 1 100 2 50 3 66 67 4 33 33
![For the reaction 2NO g O g 2NO g On doubling the concentration of NO while keeping the concentration of O constant The initial rate increases by a factor of four The order with respect NO g is Options 0 1 2 3 Solution](https://media.kunduz.com/media/sug-question-candidate/20210827125908722711-3230348.jpg?w=256)
Physical Chemistry
Chemical kineticsFor the reaction 2NO g O g 2NO g On doubling the concentration of NO while keeping the concentration of O constant The initial rate increases by a factor of four The order with respect NO g is Options 0 1 2 3 Solution
![90 The pH of solution is increased from 3 to 6 Its H ion concentration will be 1 Reduced to half 2 Doubled 3 Reduced by 1000 times 4 Increased by 1000 times UURIUM 02 EXEP65](https://media.kunduz.com/media/sug-question-candidate/20210827085430460516-2662149.jpg?w=256)
Physical Chemistry
Chemical kinetics90 The pH of solution is increased from 3 to 6 Its H ion concentration will be 1 Reduced to half 2 Doubled 3 Reduced by 1000 times 4 Increased by 1000 times UURIUM 02 EXEP65
![For a first order reaction the time required for 99 9 completion is 100 min What will be the rate constam for the reaction 1 25 x 10 4 S 1 1 15 x 10 3 1 2 2 x 10 S 1 4 5 x 10 S 1](https://media.kunduz.com/media/sug-question-candidate/20210715180206992968-3548124.jpg?w=256)
Physical Chemistry
Chemical kineticsFor a first order reaction the time required for 99 9 completion is 100 min What will be the rate constam for the reaction 1 25 x 10 4 S 1 1 15 x 10 3 1 2 2 x 10 S 1 4 5 x 10 S 1
![For an elementary reaction k 2A 3B 2C The rate of dissappearance of B is k Question Type Single Correct Type 1 k A B K C 2 3k A B 3k C 3 2k A 2 B 3 2k C 4K A B K C](https://media.kunduz.com/media/sug-question-candidate/20210827082042609579-3584770.jpg?w=256)
Physical Chemistry
Chemical kineticsFor an elementary reaction k 2A 3B 2C The rate of dissappearance of B is k Question Type Single Correct Type 1 k A B K C 2 3k A B 3k C 3 2k A 2 B 3 2k C 4K A B K C
![Dimerisation of NO2 is an exothermic reaction If enthalpy of reaction is AH then the minimum value of activation energy for forward reaction E will be O Equal to AH O Equal to zero O Greater than AH O Greater than threshold energy](https://media.kunduz.com/media/sug-question-candidate/20210715173605299339-3548091.jpg?w=256)
Physical Chemistry
Chemical kineticsDimerisation of NO2 is an exothermic reaction If enthalpy of reaction is AH then the minimum value of activation energy for forward reaction E will be O Equal to AH O Equal to zero O Greater than AH O Greater than threshold energy
![For the reaction 2 N O5 4 NO2 O2 rate of reacti is given by O 1 d N 05 2 dt 2d 05 dt O d NO dt min se d 0 dt](https://media.kunduz.com/media/sug-question-candidate/20210715180225210738-3548124.jpg?w=256)
Physical Chemistry
Chemical kineticsFor the reaction 2 N O5 4 NO2 O2 rate of reacti is given by O 1 d N 05 2 dt 2d 05 dt O d NO dt min se d 0 dt
![represented by dots in the graph The plotted lines are isotherms Order of the most probable speed v of the molecules at these five states is M 1 Vp at 3 2 Vp at 1 Vp at 1 Vp at 2 Vp at 41 pat 5 Vp at 2 Vp at 3p at 4 Vp at 5 1 Vp at 3 Vp at 1 2 Vp at 1 Vp at 2 Vpat 2 pat 3 pat 4 Exam at 5 at 5](https://media.kunduz.com/media/sug-question-candidate/20210715142402198303-2662149.jpg?w=256)
Physical Chemistry
Chemical kineticsrepresented by dots in the graph The plotted lines are isotherms Order of the most probable speed v of the molecules at these five states is M 1 Vp at 3 2 Vp at 1 Vp at 1 Vp at 2 Vp at 41 pat 5 Vp at 2 Vp at 3p at 4 Vp at 5 1 Vp at 3 Vp at 1 2 Vp at 1 Vp at 2 Vpat 2 pat 3 pat 4 Exam at 5 at 5
![4 moles of A are mixed with 4 moles of B when 2 mol of C are formed at equilibrium according to the reaction A B C D The equilibrium constant is 1 4 2 1 3 2 2005E](https://media.kunduz.com/media/sug-question-candidate/20210827062608375746-2305126.jpg?w=256)
Physical Chemistry
Chemical kinetics4 moles of A are mixed with 4 moles of B when 2 mol of C are formed at equilibrium according to the reaction A B C D The equilibrium constant is 1 4 2 1 3 2 2005E
![A solution containing 0 01 M Zn and 0 01 M Cu is saturated by passing H S gas The S concentration is 8 1 x 102 M K for ZnS and CuS are 3 0 x 10 22 and 8 0 x 10 respectively Which of the following will occur in the solution 1 ZnS will precipitate p 2 CuS will precipitate 3 Both ZnS and CuS will precipitate 4 Both Zn and Cu will remain in the solution](https://media.kunduz.com/media/sug-question-candidate/20210827062231657382-2662149.jpg?w=256)
Physical Chemistry
Chemical kineticsA solution containing 0 01 M Zn and 0 01 M Cu is saturated by passing H S gas The S concentration is 8 1 x 102 M K for ZnS and CuS are 3 0 x 10 22 and 8 0 x 10 respectively Which of the following will occur in the solution 1 ZnS will precipitate p 2 CuS will precipitate 3 Both ZnS and CuS will precipitate 4 Both Zn and Cu will remain in the solution
![How why rate of reaction is independent of molecularity o f reaction 3 Rate of chemical reactions is independent of molecularity of reactions](https://media.kunduz.com/media/sug-question-candidate/20210715133301223888-3488620.jpg?w=256)
Physical Chemistry
Chemical kineticsHow why rate of reaction is independent of molecularity o f reaction 3 Rate of chemical reactions is independent of molecularity of reactions
![EXERCISE I Conceptual Questions FACTORS AFFECTING RATE OF REACTION 1 In an elementary reaction A 2B 2C D If concentration of A is increased four times and I decreased to half of its initial concentration th the rate becomes 1 Twice 2 Half 3 Unchanged](https://media.kunduz.com/media/sug-question-candidate/20210827025827327863-2305126.jpg?w=256)
Physical Chemistry
Chemical kineticsEXERCISE I Conceptual Questions FACTORS AFFECTING RATE OF REACTION 1 In an elementary reaction A 2B 2C D If concentration of A is increased four times and I decreased to half of its initial concentration th the rate becomes 1 Twice 2 Half 3 Unchanged
![LAW OF MASS ACTION In a chemical equilibrium the rate constant for the backward reaction is 7 5 x 104 and the equilibrium constant is 1 5 The rate constant for the forward reaction is 1 2x10 1 2 5 x 10 4 3 1 12 x 10 3 4 9 0 x 10 4 AL EGULBRAM02 EXEP65](https://media.kunduz.com/media/sug-question-candidate/20210827025937683057-2305126.jpg?w=256)
Physical Chemistry
Chemical kineticsLAW OF MASS ACTION In a chemical equilibrium the rate constant for the backward reaction is 7 5 x 104 and the equilibrium constant is 1 5 The rate constant for the forward reaction is 1 2x10 1 2 5 x 10 4 3 1 12 x 10 3 4 9 0 x 10 4 AL EGULBRAM02 EXEP65
![The rate constant for a second order reaction is 8x10 5 M min How long will it take a 1M solution to be reduced to 0 5M 1 8 665 x 10 minute 2 8 x 10 5 minute 3 1 25 x 104 minute 4 4x10 5 minute](https://media.kunduz.com/media/sug-question-candidate/20210715123757714600-3524935.jpg?w=256)
Physical Chemistry
Chemical kineticsThe rate constant for a second order reaction is 8x10 5 M min How long will it take a 1M solution to be reduced to 0 5M 1 8 665 x 10 minute 2 8 x 10 5 minute 3 1 25 x 104 minute 4 4x10 5 minute
![S0028 1 g and nded by 34 between ilibrium 3 it is zero at all points 4 1 and 2 both ession 20201 1 Which one of the following pattern of electrostatic lines of force is not possible ES0032 2](https://media.kunduz.com/media/sug-question-candidate/20210826230257723850-2305126.jpg?w=256)
Physical Chemistry
Chemical kineticsS0028 1 g and nded by 34 between ilibrium 3 it is zero at all points 4 1 and 2 both ession 20201 1 Which one of the following pattern of electrostatic lines of force is not possible ES0032 2
![3 A solid sphere of radius R is charged uniformly with a total charge Q Then the correct expression for electric field is r distance from centre KQr R where r R KQ 2 where r 2 R ES0031 3 it is zero at all points 4 1 and 2 both](https://media.kunduz.com/media/sug-question-candidate/20210826230241099991-2305126.jpg?w=256)
Physical Chemistry
Chemical kinetics3 A solid sphere of radius R is charged uniformly with a total charge Q Then the correct expression for electric field is r distance from centre KQr R where r R KQ 2 where r 2 R ES0031 3 it is zero at all points 4 1 and 2 both
![For acid catalysed hydrolysis of ester rate constant is given as 7 in Vx V K In where Vo V and V are volume of standard NaOH solution required to neutralise acid present at given time If ester gets 50 hydrolysed then O V V O Vx V Vo O Vx 2V Vo O V 2V 2V0](https://media.kunduz.com/media/sug-question-candidate/20210715101529337895-3485433.jpg?w=256)
Physical Chemistry
Chemical kineticsFor acid catalysed hydrolysis of ester rate constant is given as 7 in Vx V K In where Vo V and V are volume of standard NaOH solution required to neutralise acid present at given time If ester gets 50 hydrolysed then O V V O Vx V Vo O Vx 2V Vo O V 2V 2V0
![37 For an elementary reaction k 2A 3B 3B k dissappearance of B is 2C The rate of 1 k A B k C 2 3k A B 3k C 3 2k A B 2k C 4 A B k C](https://media.kunduz.com/media/sug-question-candidate/20210826182536325817-2959516.jpg?w=256)
Physical Chemistry
Chemical kinetics37 For an elementary reaction k 2A 3B 3B k dissappearance of B is 2C The rate of 1 k A B k C 2 3k A B 3k C 3 2k A B 2k C 4 A B k C
![chanism of a X Y 2XY is given below 1 X X X ii X Y XY Y slow iii X Y XY fast The overall order of the reaction will be NEET 2017 1 1 3 O 0 hypothetical reaction 2 2 4 1 5](https://media.kunduz.com/media/sug-question-candidate/20210826185655908635-3557524.jpg?w=256)
Physical Chemistry
Chemical kineticschanism of a X Y 2XY is given below 1 X X X ii X Y XY Y slow iii X Y XY fast The overall order of the reaction will be NEET 2017 1 1 3 O 0 hypothetical reaction 2 2 4 1 5
![A 7 5 x 10 3 B 6 2 x 10 8 C 4 8 x 10 13 D 10 19 Acid Name Phosphoric Arsenic Carbonic Sulfuric Sulfurous U Formula H PO4 H AsO 4 H CO3 H SO4 H SO3 N Kal 7 5 x 10 5 x 10 4 3 x 10 7 large 1 5 x 10 K 2 6 2 x 10 8 8 x 10 8 5 6 x 10 11 1 2 x 10 1 0 x 10 7 Ka3 4 8 x 10 13 6 0 x 10 10](https://media.kunduz.com/media/sug-question-candidate/20210715070040209179-3522319.jpg?w=256)
Physical Chemistry
Chemical kineticsA 7 5 x 10 3 B 6 2 x 10 8 C 4 8 x 10 13 D 10 19 Acid Name Phosphoric Arsenic Carbonic Sulfuric Sulfurous U Formula H PO4 H AsO 4 H CO3 H SO4 H SO3 N Kal 7 5 x 10 5 x 10 4 3 x 10 7 large 1 5 x 10 K 2 6 2 x 10 8 8 x 10 8 5 6 x 10 11 1 2 x 10 1 0 x 10 7 Ka3 4 8 x 10 13 6 0 x 10 10
![One liter of 0 5 M KCI solution is electrolyzed for one minute in a current of 1 608 mA Considering 100 efficiency the pH of the resulting solution will be 1 7 2 9 3 8](https://media.kunduz.com/media/sug-question-candidate/20210826155639535601-3488620.jpg?w=256)
Physical Chemistry
Chemical kineticsOne liter of 0 5 M KCI solution is electrolyzed for one minute in a current of 1 608 mA Considering 100 efficiency the pH of the resulting solution will be 1 7 2 9 3 8
![Enter your answer in the provided box The rate constant for the second order reaction 2NOBr g 2NO g Br g is 0 80 Ms at 10 C Starting with a concentration of 0 86 M calculate the concentration of NO after 91 s 1 M](https://media.kunduz.com/media/sug-question-candidate/20211104020325852327-2035567.jpg?w=256)
Physical Chemistry
Chemical kineticsEnter your answer in the provided box The rate constant for the second order reaction 2NOBr g 2NO g Br g is 0 80 Ms at 10 C Starting with a concentration of 0 86 M calculate the concentration of NO after 91 s 1 M
![elementary reaction 2AB the rate of disappearance of A is equal to 2k k 2 2k A 2k B 3 2k A 2k B 4 2k k A 1 A](https://media.kunduz.com/media/sug-question-candidate/20210715035740403703-2959516.jpg?w=256)
Physical Chemistry
Chemical kineticselementary reaction 2AB the rate of disappearance of A is equal to 2k k 2 2k A 2k B 3 2k A 2k B 4 2k k A 1 A
![For the reaction 2A B C with the rate law d C k A B and started with A and B i dt stoichiometric proportion Which is are true unit of k is MS 1 A B and C all will be linear functions of time C 2kt D C kt](https://media.kunduz.com/media/sug-question-candidate/20210714164715370623-3371989.jpg?w=256)
Physical Chemistry
Chemical kineticsFor the reaction 2A B C with the rate law d C k A B and started with A and B i dt stoichiometric proportion Which is are true unit of k is MS 1 A B and C all will be linear functions of time C 2kt D C kt
![The figure given below shows three velocity substrate concentration curves for an enzyme reaction What do the curves A B and C depict respectively Initial velocity V A B C Substrate concentration S A A normal enzyme reaction B competitive inhibition C non competitive inhibition Correct Answer B A enzyme with an allosteric modulator added B normal enzyme activity C](https://media.kunduz.com/media/sug-question-candidate/20210714154118161370-3522319.jpg?w=256)
Physical Chemistry
Chemical kineticsThe figure given below shows three velocity substrate concentration curves for an enzyme reaction What do the curves A B and C depict respectively Initial velocity V A B C Substrate concentration S A A normal enzyme reaction B competitive inhibition C non competitive inhibition Correct Answer B A enzyme with an allosteric modulator added B normal enzyme activity C
![las constant of decomposition of methyl nitrite and ethyl nitrite are VI 008 1 1 k s 10 3 exp 152300 Jmol RT 157700 Jmol and k s 10 4 exp 19 respectively The temperature at which the rato constants and equal is RT](https://media.kunduz.com/media/sug-question-candidate/20210714152350824436-2165751.jpg?w=256)
Physical Chemistry
Chemical kineticslas constant of decomposition of methyl nitrite and ethyl nitrite are VI 008 1 1 k s 10 3 exp 152300 Jmol RT 157700 Jmol and k s 10 4 exp 19 respectively The temperature at which the rato constants and equal is RT
![36 The heat of neutralisation of HCl by NaOH is 55 kJ mol If the heat of neutralisation of HCN by NaOH i 12 1 kJ mol The energy of dissociation of HCN is a 43 8 kJ c 68 kJ b 43 8 kJ d 68 kJ When a certain amor 37](https://media.kunduz.com/media/sug-question-candidate/20210826000832180043-3010555.jpg?w=256)
Physical Chemistry
Chemical kinetics36 The heat of neutralisation of HCl by NaOH is 55 kJ mol If the heat of neutralisation of HCN by NaOH i 12 1 kJ mol The energy of dissociation of HCN is a 43 8 kJ c 68 kJ b 43 8 kJ d 68 kJ When a certain amor 37
![The specific conductance of saturated solution of CaF2 is 3 86 x 10 5 mho cm 1 and that of water used for solution is 0 15 x 10 5 The specific conductance of CaF2 is 3 71x10 4 3 86 10 4](https://media.kunduz.com/media/sug-question-candidate/20210714094422598018-2618658.jpg?w=256)
Physical Chemistry
Chemical kineticsThe specific conductance of saturated solution of CaF2 is 3 86 x 10 5 mho cm 1 and that of water used for solution is 0 15 x 10 5 The specific conductance of CaF2 is 3 71x10 4 3 86 10 4
![At substrate concentration S rate of the reaction V is a quarter of Vmax What is Km in terms of S ADDHAL ALIE Problem 16 At substrate concentration S rate of the reaction V is a quarter of Vma What is K in terms of S](https://media.kunduz.com/media/sug-question-candidate/20211102014742541355-3567101.jpg?w=256)
Physical Chemistry
Chemical kineticsAt substrate concentration S rate of the reaction V is a quarter of Vmax What is Km in terms of S ADDHAL ALIE Problem 16 At substrate concentration S rate of the reaction V is a quarter of Vma What is K in terms of S