Equilibrium Questions and Answers

4 Rate d N d H NH dt dt dt CKOO In the formation of sulphur trioxide by the cont process 250 g O g 250 g the rate reaction is expressed as d 0 2 5 x 104 mol L s dt The rate of disappearance of SO will be 1 5 x 10 mol L 2 2 25 x 10 mol L s 3 3 75 x 104 mol Ls 4 50 0 x 10 mol L s CKOO
Physical Chemistry
Equilibrium
4 Rate d N d H NH dt dt dt CKOO In the formation of sulphur trioxide by the cont process 250 g O g 250 g the rate reaction is expressed as d 0 2 5 x 104 mol L s dt The rate of disappearance of SO will be 1 5 x 10 mol L 2 2 25 x 10 mol L s 3 3 75 x 104 mol Ls 4 50 0 x 10 mol L s CKOO
3 1 7 x 10 3 The K for the reaction PC PCI Cl is 0 04 At a given time 0 1 mole PC 0 3 mole each of PC and Cl are present then predict direction of reaction 1 forward 3 at equilibrium 2 backward 4 None of these
Physical Chemistry
Equilibrium
3 1 7 x 10 3 The K for the reaction PC PCI Cl is 0 04 At a given time 0 1 mole PC 0 3 mole each of PC and Cl are present then predict direction of reaction 1 forward 3 at equilibrium 2 backward 4 None of these
2 decreases by 0 03 V 3 increases by 0 059 V 4 decreases by 0 059 V EC0062 How much will the potential of a hydrogen electrode change when its solution initially at pH 0 is neutralised to pH 7 1 increases by 0 059 V 2 decreases by 0 059 V 3 increases by 0 41 V 4 decreases by 0 41 V FC0063
Physical Chemistry
Equilibrium
2 decreases by 0 03 V 3 increases by 0 059 V 4 decreases by 0 059 V EC0062 How much will the potential of a hydrogen electrode change when its solution initially at pH 0 is neutralised to pH 7 1 increases by 0 059 V 2 decreases by 0 059 V 3 increases by 0 41 V 4 decreases by 0 41 V FC0063
N O42NO K 4 This reversible reaction is studied graphically as shown in the given figure Select the correct statements out of I II and III I Reaction quotient has maximum value of point A II Reaction proceeds left to right at a point when IN O 1 INO 0 1 M KQ when point D or F is reached concentration 1 I II B D G F Time 2 II III
Physical Chemistry
Equilibrium
N O42NO K 4 This reversible reaction is studied graphically as shown in the given figure Select the correct statements out of I II and III I Reaction quotient has maximum value of point A II Reaction proceeds left to right at a point when IN O 1 INO 0 1 M KQ when point D or F is reached concentration 1 I II B D G F Time 2 II III
3 The position of the equilibrium for a system when K 4 6x10 5 can be described as being favoured to the concentration of products is relatively 1 The right larger 3 the left larger 2 The left small 4 the right small
Physical Chemistry
Equilibrium
3 The position of the equilibrium for a system when K 4 6x10 5 can be described as being favoured to the concentration of products is relatively 1 The right larger 3 the left larger 2 The left small 4 the right small
On addition of KF in the solution of 1 1 dissociation of HF increases 2 concentration of H ions increases 3 concentration of H ions decrease 4 concentration of F ions decreases
Physical Chemistry
Equilibrium
On addition of KF in the solution of 1 1 dissociation of HF increases 2 concentration of H ions increases 3 concentration of H ions decrease 4 concentration of F ions decreases
IE0134 112 pk for NH OH at certain temperature is 4 74 The pH of basic buffer containing equimolar concentration of NH OH and NH CI will be 1 7 74 2 4 74 3 2 37 4 9 26 JE0135
Physical Chemistry
Equilibrium
IE0134 112 pk for NH OH at certain temperature is 4 74 The pH of basic buffer containing equimolar concentration of NH OH and NH CI will be 1 7 74 2 4 74 3 2 37 4 9 26 JE0135
nd its salt the ratio o salt is increased 119 The pink colour of phenolphthalein in alkaline tion medium is due to Increases by one tenth Increases ten fold IEO 14 1 Negative ion 3 OH ions 2 Positive ion 4 Neutral form
Physical Chemistry
Equilibrium
nd its salt the ratio o salt is increased 119 The pink colour of phenolphthalein in alkaline tion medium is due to Increases by one tenth Increases ten fold IEO 14 1 Negative ion 3 OH ions 2 Positive ion 4 Neutral form
0 14 mol of CO and 0 60 mol of NO2 are mixed in a 40 L reaction vessel at 200 C Calculate the molarities of all compounds present in the vessel once the equilibrium is reached CO g NO2 g CO2 g NO g Kc 67 5
Physical Chemistry
Equilibrium
0 14 mol of CO and 0 60 mol of NO2 are mixed in a 40 L reaction vessel at 200 C Calculate the molarities of all compounds present in the vessel once the equilibrium is reached CO g NO2 g CO2 g NO g Kc 67 5
How many of the following relations are correct for the solubility product Ksp solubility s g litre o sparingly soluble salt A3B2 producing A2 B3 ions mol wt M in water Assume no hydrolysis of any ion 1 Ksp 108s5 4 B 2s M 7 A2 1 M5 X 108s5 B 1 2 Ksp 5 8 B sp Ksp A 3s M 36s 2s M 1 M 54 S4 3 Ksp 3 A2 1 2 B 1 KSP B 13 vistigaorig 9 Ksp A2 2 B313 X 6 A 1 2 8
Physical Chemistry
Equilibrium
How many of the following relations are correct for the solubility product Ksp solubility s g litre o sparingly soluble salt A3B2 producing A2 B3 ions mol wt M in water Assume no hydrolysis of any ion 1 Ksp 108s5 4 B 2s M 7 A2 1 M5 X 108s5 B 1 2 Ksp 5 8 B sp Ksp A 3s M 36s 2s M 1 M 54 S4 3 Ksp 3 A2 1 2 B 1 KSP B 13 vistigaorig 9 Ksp A2 2 B313 X 6 A 1 2 8
The solubility of Ag2CO3 in water is 1 26 x 10 4 mole litre What is its solubility in 0 02 M Na2CO3 solution Assume no hydrolysis of CO32 ion Take 2 1 26 A 5 x 10 6 M C 10 5 M B 50 10 6 M X D 2 10 5 M
Physical Chemistry
Equilibrium
The solubility of Ag2CO3 in water is 1 26 x 10 4 mole litre What is its solubility in 0 02 M Na2CO3 solution Assume no hydrolysis of CO32 ion Take 2 1 26 A 5 x 10 6 M C 10 5 M B 50 10 6 M X D 2 10 5 M
3 The aqueous solution of FeCl is acidic becaus 1 Fe ions react with water to give H ions in solu 2 ions react with water to give H ions in solut 3 It is a salt of strong base and weak acid 4 None of these
Physical Chemistry
Equilibrium
3 The aqueous solution of FeCl is acidic becaus 1 Fe ions react with water to give H ions in solu 2 ions react with water to give H ions in solut 3 It is a salt of strong base and weak acid 4 None of these
4 Ba NO3 2 BaCl pH of when 50 mL of 0 10 M ammonia sol is treated with 50 mL of 0 05 M HCI solutio pk of ammonia 4 74 2 9 26 1 8 26 3 4 74
Physical Chemistry
Equilibrium
4 Ba NO3 2 BaCl pH of when 50 mL of 0 10 M ammonia sol is treated with 50 mL of 0 05 M HCI solutio pk of ammonia 4 74 2 9 26 1 8 26 3 4 74
BUFFER SOLUTIONS and INDICATOR 08 In a buffer solution the ratio of concentration of NH Cl and NH OH is 1 1 When it changes to 2 1 pH of buffer 1 Increases 3 No effect 2 Decreases 4 None of these IF0131
Physical Chemistry
Equilibrium
BUFFER SOLUTIONS and INDICATOR 08 In a buffer solution the ratio of concentration of NH Cl and NH OH is 1 1 When it changes to 2 1 pH of buffer 1 Increases 3 No effect 2 Decreases 4 None of these IF0131
184 Pre Medical Chemistry 109 To 50 mL of 0 05M formic acid how much volume of 0 10M sodium formate must be added to get a buffer solution of pH 4 0 pK of the acid 117
Physical Chemistry
Equilibrium
184 Pre Medical Chemistry 109 To 50 mL of 0 05M formic acid how much volume of 0 10M sodium formate must be added to get a buffer solution of pH 4 0 pK of the acid 117
IE0133 111 In a mixture of weak acid and its salt the ratio of concentration of acid to salt is increased ten fold The pH of the solution 1 Decreases by one 3 Increases by one 2 Increases by one tenth 4 Increases ten fold 119 The F mediu 1 Ne 3 OF
Physical Chemistry
Equilibrium
IE0133 111 In a mixture of weak acid and its salt the ratio of concentration of acid to salt is increased ten fold The pH of the solution 1 Decreases by one 3 Increases by one 2 Increases by one tenth 4 Increases ten fold 119 The F mediu 1 Ne 3 OF
Match List I Equations with List II Type of processes and select the correct option List I List II Type of processes Non spontaneous Equations a K Q b c K Q i AGO RT in Q ii d T 1 2 3 4 AH AS Options a iii iv ii i b iv i i ii Equilibrium iii Spontaneous and endothermic iv Spontaneous c ii ii iv iii d i iii iii iv
Physical Chemistry
Equilibrium
Match List I Equations with List II Type of processes and select the correct option List I List II Type of processes Non spontaneous Equations a K Q b c K Q i AGO RT in Q ii d T 1 2 3 4 AH AS Options a iii iv ii i b iv i i ii Equilibrium iii Spontaneous and endothermic iv Spontaneous c ii ii iv iii d i iii iii iv
IEO128 6 Choose the wrong statement 1 For a neutral solution H OH Kw 2 For an acidic solution H K OHK K 3 For a basic solution H K JOH Kw 4 For a neutral solution H OH 10 M at all temperatures
Physical Chemistry
Equilibrium
IEO128 6 Choose the wrong statement 1 For a neutral solution H OH Kw 2 For an acidic solution H K OHK K 3 For a basic solution H K JOH Kw 4 For a neutral solution H OH 10 M at all temperatures
iii In an aqueous solution of sulfuric acid the following equilibria exist H SO aq H O l H O aq HSO aq K very large HSO aq H O l H O aq SO aq K 0 012 moldm Explain in terms of these equilibria why the concentration of hydrogen ions in a 0 10 mol dm3 solution of sulfuric acid is not 0 20 mol dm No calculation is required
Physical Chemistry
Equilibrium
iii In an aqueous solution of sulfuric acid the following equilibria exist H SO aq H O l H O aq HSO aq K very large HSO aq H O l H O aq SO aq K 0 012 moldm Explain in terms of these equilibria why the concentration of hydrogen ions in a 0 10 mol dm3 solution of sulfuric acid is not 0 20 mol dm No calculation is required
Marks 4 0 00 A solution contains 0 2 M NH4OH and 0 2 M NH4Cl If 1 0 ml of 0 001 M HCl is added to it x x 10 5 will be the OH of the resulting solutio Kb 2 x 10 5 Find value of x
Physical Chemistry
Equilibrium
Marks 4 0 00 A solution contains 0 2 M NH4OH and 0 2 M NH4Cl If 1 0 ml of 0 001 M HCl is added to it x x 10 5 will be the OH of the resulting solutio Kb 2 x 10 5 Find value of x
During an adiabatic process the pressure of hypothetical ideal gas is found to be proportional to cube of its absolute temperature The value Cp Cy is x y Find sum
Physical Chemistry
Equilibrium
During an adiabatic process the pressure of hypothetical ideal gas is found to be proportional to cube of its absolute temperature The value Cp Cy is x y Find sum
3 No effect on boiling point 4 None of the above CE0073 65 On cooling of following system at equilibrium COZ COzigi 1 There is no effect on the equilibrium state 2 More gas is formed 3 More gas is solidifies 4 None of above CE007
Physical Chemistry
Equilibrium
3 No effect on boiling point 4 None of the above CE0073 65 On cooling of following system at equilibrium COZ COzigi 1 There is no effect on the equilibrium state 2 More gas is formed 3 More gas is solidifies 4 None of above CE007
Marks 4 0 00 At 35 C the equilibrium constant for the reaction below is 2NOCI g 2NO g Cl g Kc 1 6 x 10 5 An equilibrium mixture was found to have the following concentration of Cl and NOCI Cl 1 2 x 10 2 M NOCI 2 8 x 10 M The concentration of NO g at equilibrium is x x 10 2 Find nearst integer value of x
Physical Chemistry
Equilibrium
Marks 4 0 00 At 35 C the equilibrium constant for the reaction below is 2NOCI g 2NO g Cl g Kc 1 6 x 10 5 An equilibrium mixture was found to have the following concentration of Cl and NOCI Cl 1 2 x 10 2 M NOCI 2 8 x 10 M The concentration of NO g at equilibrium is x x 10 2 Find nearst integer value of x
ALLEN 93 In a solution of pH 5 more acid is added in order to reduce the pH upto 2 The increase in hydrogen ion concentration is 1 100 times 2 1000 times 101 H 1 fr
Physical Chemistry
Equilibrium
ALLEN 93 In a solution of pH 5 more acid is added in order to reduce the pH upto 2 The increase in hydrogen ion concentration is 1 100 times 2 1000 times 101 H 1 fr
What is the concentration in molarity of H HCO3 and CO32 in a solution that is initially prepared as a mixture of 0 0100 M H CO3 and 0 000010 M Na CO3 Carbonic acid is a weak diprotic acid where Ka1 is 4 20 x 10 5 and K 2 is 2 00 x 10 6 a H at equilibrium b HCO3 at equilibrium c CO3 at equilibrium
Physical Chemistry
Equilibrium
What is the concentration in molarity of H HCO3 and CO32 in a solution that is initially prepared as a mixture of 0 0100 M H CO3 and 0 000010 M Na CO3 Carbonic acid is a weak diprotic acid where Ka1 is 4 20 x 10 5 and K 2 is 2 00 x 10 6 a H at equilibrium b HCO3 at equilibrium c CO3 at equilibrium
A student assistant is given the task of preparing 2 00 L of a buffer whose pH is 9 00 She is given a 2 00 L aqueous solution of 0 10 M ammonia How much ammonium chloride NH CI must she add to the solution of ammonia Assume that the volume remains unchanged upon addition of ammonium chloride At 25 C the Kb of NH3 is 1 8 x 10 5
Physical Chemistry
Equilibrium
A student assistant is given the task of preparing 2 00 L of a buffer whose pH is 9 00 She is given a 2 00 L aqueous solution of 0 10 M ammonia How much ammonium chloride NH CI must she add to the solution of ammonia Assume that the volume remains unchanged upon addition of ammonium chloride At 25 C the Kb of NH3 is 1 8 x 10 5
4 Nothing can be said List X A Active mass B Dynamic nature C A heat D log K K PP B AH 2 303R T T 41 CE0036 List Y 1 An 0 II Molar concentration III Vant hoff s equation IV adaptation if temperature increases E 2A g B g Correct match list X and Y 1 A V B II C II D I E IV 2 A V B IV C II D II E 1 3 A II B V C IV D II E 1 4 None of these 3C g v Chemical equilibrium
Physical Chemistry
Equilibrium
4 Nothing can be said List X A Active mass B Dynamic nature C A heat D log K K PP B AH 2 303R T T 41 CE0036 List Y 1 An 0 II Molar concentration III Vant hoff s equation IV adaptation if temperature increases E 2A g B g Correct match list X and Y 1 A V B II C II D I E IV 2 A V B IV C II D II E 1 3 A II B V C IV D II E 1 4 None of these 3C g v Chemical equilibrium
In 1 13 30 3 12 30 3 2 80 mol 4 3 74 mol The pH value of decinormal solution of Q 6 NH OH vt f NH OH which is 20 ionised is 2 14 70 4 12 95 3 2 80 mol 4 3 74 mol 20 3rfa za m 1 13 30 3 12 30 2 14 70 4 12 95
Physical Chemistry
Equilibrium
In 1 13 30 3 12 30 3 2 80 mol 4 3 74 mol The pH value of decinormal solution of Q 6 NH OH vt f NH OH which is 20 ionised is 2 14 70 4 12 95 3 2 80 mol 4 3 74 mol 20 3rfa za m 1 13 30 3 12 30 2 14 70 4 12 95
126 Pre Medical Chemistry 63 In a vessel containing SO SO and O at equilibrium some helium gas is introduced so that the total pressure increases while temperature and volume remain constant According to Le Chatelier principle the dissociation of SO 1 Increases 2 Decreases 3 Remains unaltered
Physical Chemistry
Equilibrium
126 Pre Medical Chemistry 63 In a vessel containing SO SO and O at equilibrium some helium gas is introduced so that the total pressure increases while temperature and volume remain constant According to Le Chatelier principle the dissociation of SO 1 Increases 2 Decreases 3 Remains unaltered
In which of the following equilibrium reactions the equilibrium would shift to right side if total pressure is decreased 1 N 3H 2 H 3 N O 4 H Cl 2NH 2HI 2NO 2HCl
Physical Chemistry
Equilibrium
In which of the following equilibrium reactions the equilibrium would shift to right side if total pressure is decreased 1 N 3H 2 H 3 N O 4 H Cl 2NH 2HI 2NO 2HCl
The equilibrium constant of the reaction Az g B g 2AB g at 373 K is 50 If 1L of flask containing 1 mole of A g is connected to 2L flask containing 2 moles B g at 100 C the amount of AB produced at equilibrium at 100 C would be 1 0 93 mol 3 2 80 mol 2 1 87 mol 4 3 74 mol Q 5 373 K 3T A g B g 2AB g en fer 50 1 af 100 C 1L 2 1 A g B g in kutute 2100 RAB 1 0 93 mol 3 2 80 mol 2 1 87 mol 4 3 74 mol
Physical Chemistry
Equilibrium
The equilibrium constant of the reaction Az g B g 2AB g at 373 K is 50 If 1L of flask containing 1 mole of A g is connected to 2L flask containing 2 moles B g at 100 C the amount of AB produced at equilibrium at 100 C would be 1 0 93 mol 3 2 80 mol 2 1 87 mol 4 3 74 mol Q 5 373 K 3T A g B g 2AB g en fer 50 1 af 100 C 1L 2 1 A g B g in kutute 2100 RAB 1 0 93 mol 3 2 80 mol 2 1 87 mol 4 3 74 mol
CE0066 9 For the manufacture of ammonia by the reaction N 3H 2NH 21 9k Cal the favourable conditions are 1 Low temperature low pressure catalyst 2 Low temperature high pressure catalyst 3 High temperature low pressure catalyst 4 High temperature high pressure catalyst
Physical Chemistry
Equilibrium
CE0066 9 For the manufacture of ammonia by the reaction N 3H 2NH 21 9k Cal the favourable conditions are 1 Low temperature low pressure catalyst 2 Low temperature high pressure catalyst 3 High temperature low pressure catalyst 4 High temperature high pressure catalyst
LE CHATLIER S PRINCIPLE Trans 2 pentene for th above equilibrium the value of standard free energ change at 400 K is 3 67 kJ mol If excess trans 2 pentene is added to the system then 1 Additional trans 2 pentene will form 2 Excess of cis 2 pentene will form 3 Equilibrium will proceed in the forward 4 Equilibrium will remain unaffected CE006 54 Cis 2 pentene
Physical Chemistry
Equilibrium
LE CHATLIER S PRINCIPLE Trans 2 pentene for th above equilibrium the value of standard free energ change at 400 K is 3 67 kJ mol If excess trans 2 pentene is added to the system then 1 Additional trans 2 pentene will form 2 Excess of cis 2 pentene will form 3 Equilibrium will proceed in the forward 4 Equilibrium will remain unaffected CE006 54 Cis 2 pentene
CE0061 Wessel Q is equilibrium reaction reaction e reaction ard reaction 60 CE0067 In the reaction 2Ag Big Cigl 362 kcal Which combination of pressure and temperature gives the highest yield of C at equilibrium 1 1000 atm and 500 C 2 500 atm and 500 C 3 1000 atm and 50 C 4 500 atm and 100 C 26
Physical Chemistry
Equilibrium
CE0061 Wessel Q is equilibrium reaction reaction e reaction ard reaction 60 CE0067 In the reaction 2Ag Big Cigl 362 kcal Which combination of pressure and temperature gives the highest yield of C at equilibrium 1 1000 atm and 500 C 2 500 atm and 500 C 3 1000 atm and 50 C 4 500 atm and 100 C 26
IE0096 79 The pH of a 0 1 M formic acid 0 1 dissociated is equal to 4 What will be the pH of another weak monobasic acid same concentration which is 1 dissociated 1 2 3 1 2 3 4 4 08
Physical Chemistry
Equilibrium
IE0096 79 The pH of a 0 1 M formic acid 0 1 dissociated is equal to 4 What will be the pH of another weak monobasic acid same concentration which is 1 dissociated 1 2 3 1 2 3 4 4 08
180 49 Pre Medical Chemistry If solubility of salts M X QY and PZ are equal then the relation between their K will be 1 K M X K QY K PZ 2 K M X K QY K PZ 3 K M X K QY K PZ sp sp 50 20
Physical Chemistry
Equilibrium
180 49 Pre Medical Chemistry If solubility of salts M X QY and PZ are equal then the relation between their K will be 1 K M X K QY K PZ 2 K M X K QY K PZ 3 K M X K QY K PZ sp sp 50 20
2 4 5 mol each of hydrogen and iodine heated in a sealed 10 litre vessel At equilibrium 3 mol of HI were found The equilibrium constant for Hz 12 2His 1 1 3 5 2 10 4 0 33 028080 BALTARGET
Physical Chemistry
Equilibrium
2 4 5 mol each of hydrogen and iodine heated in a sealed 10 litre vessel At equilibrium 3 mol of HI were found The equilibrium constant for Hz 12 2His 1 1 3 5 2 10 4 0 33 028080 BALTARGET
3 1 8 x 10 5 4 18 x 10 10 IE0060 52 At 25 C the volume of water required to dissolve 1g BaSO K 1 0 x 10 10 will be Molecular weight of BaSO 233 1 820 L 3 205 L 2 1 L 4 430 L 1500
Physical Chemistry
Equilibrium
3 1 8 x 10 5 4 18 x 10 10 IE0060 52 At 25 C the volume of water required to dissolve 1g BaSO K 1 0 x 10 10 will be Molecular weight of BaSO 233 1 820 L 3 205 L 2 1 L 4 430 L 1500
creasing temperature favours forward CE006 6 In manufacture of NO the reaction of N and form NO is favourable if 1 Pressure is increased 2 Pressure is decreased 3 Temperature is increased 4 Temperature is decreased CF006
Physical Chemistry
Equilibrium
creasing temperature favours forward CE006 6 In manufacture of NO the reaction of N and form NO is favourable if 1 Pressure is increased 2 Pressure is decreased 3 Temperature is increased 4 Temperature is decreased CF006
1 If the solubility product of AgBrO and Ag SO are 5 5x10 and 2x10 respectively the relationship between their solubilities can be correctly represented as 1 SA SA 50 2 So SAN 3 SA S 10 4 Unpredictable IE0083
Physical Chemistry
Equilibrium
1 If the solubility product of AgBrO and Ag SO are 5 5x10 and 2x10 respectively the relationship between their solubilities can be correctly represented as 1 SA SA 50 2 So SAN 3 SA S 10 4 Unpredictable IE0083
Pre Medical Chemistry 123 In the reaction 2P g Q g 3R g S g If 2 mol each of P and Q taken initially in a 1 L flask At equilibrium which is true 1 P Q BUOL ID 2 P Q 14
Physical Chemistry
Equilibrium
Pre Medical Chemistry 123 In the reaction 2P g Q g 3R g S g If 2 mol each of P and Q taken initially in a 1 L flask At equilibrium which is true 1 P Q BUOL ID 2 P Q 14
7 In a chemical equilibrium A B C D when one mole each of the two reactants are mixed 0 4 mol each of the products are formed The equilibrium constant is 1 1 2 0 36 3 2 25 4 419
Physical Chemistry
Equilibrium
7 In a chemical equilibrium A B C D when one mole each of the two reactants are mixed 0 4 mol each of the products are formed The equilibrium constant is 1 1 2 0 36 3 2 25 4 419
4 In the reaction PCI PCI Cl the partial 49 pressure of PCI Cl and PCI are 0 3 0 2 and 0 6 atm respectively at equilibrium If partial pressure of PCI and Cl was increased to twice what will be the partial pressure of PCI is in atm at new equilibrium condition 1 0 3 2 1 2 3 2 4 4 0 15 CE0050 50
Physical Chemistry
Equilibrium
4 In the reaction PCI PCI Cl the partial 49 pressure of PCI Cl and PCI are 0 3 0 2 and 0 6 atm respectively at equilibrium If partial pressure of PCI and Cl was increased to twice what will be the partial pressure of PCI is in atm at new equilibrium condition 1 0 3 2 1 2 3 2 4 4 0 15 CE0050 50
Does Le chatelier s principle predict a change of equilibrium concentration for the following reaction if the gas mixture is compressed N O4 2NO2 1 Yes backward reaction is favoured 2 Yes forward reaction is favoured 3 No change 4 No information C50060
Physical Chemistry
Equilibrium
Does Le chatelier s principle predict a change of equilibrium concentration for the following reaction if the gas mixture is compressed N O4 2NO2 1 Yes backward reaction is favoured 2 Yes forward reaction is favoured 3 No change 4 No information C50060
5 The dissociation of CO can be expressed as 200 200 0 If the 2 mol of CO is taken initially and 40 of the CO is dissociated completely What is the total number of moles at 2 2 0 3 1 2 equilibrium 1 2 4 4 5 CF0039
Physical Chemistry
Equilibrium
5 The dissociation of CO can be expressed as 200 200 0 If the 2 mol of CO is taken initially and 40 of the CO is dissociated completely What is the total number of moles at 2 2 0 3 1 2 equilibrium 1 2 4 4 5 CF0039
completely What is the total number of moles at equilibrium 1 2 4 3 1 2 1 a 3 36 In A g 3A g reaction the initial concentration of A is a mol L If x is degree of dissociation of A The total number of moles at equilibrium will be ax wo 2 ax 2 2 0 4 5 CE0039 4 a 2 ax 40
Physical Chemistry
Equilibrium
completely What is the total number of moles at equilibrium 1 2 4 3 1 2 1 a 3 36 In A g 3A g reaction the initial concentration of A is a mol L If x is degree of dissociation of A The total number of moles at equilibrium will be ax wo 2 ax 2 2 0 4 5 CE0039 4 a 2 ax 40
f IE0069 59 One litre of saturated solution of CaCO is evaporated to dryness when 7 0 g of residue is left The solubility product for CaCO is 1 4 9 10 2 4 9 x 10 3 4 9 10 9 4 4 9 x 10 7 IE0070
Physical Chemistry
Equilibrium
f IE0069 59 One litre of saturated solution of CaCO is evaporated to dryness when 7 0 g of residue is left The solubility product for CaCO is 1 4 9 10 2 4 9 x 10 3 4 9 10 9 4 4 9 x 10 7 IE0070
Pre Medical Chemistry 179 3 Ionisation constant of a weak acid is 10 Find out equilibrium constant for the reaction of this weak
Physical Chemistry
Equilibrium
Pre Medical Chemistry 179 3 Ionisation constant of a weak acid is 10 Find out equilibrium constant for the reaction of this weak
45 a mol of PCI undergoes thermal dissociation as PCI Cl the mole fraction of PCI at PCI equilibrium is 0 25 and the total pressure is 2 0 atm The partial pressure of Cl at equilibrium 51 is 1 2 5 3 0 5 2 1 0 4 None CE0051 46 In a 0 25 L tube dissociation of 4 mol of NO takes
Physical Chemistry
Equilibrium
45 a mol of PCI undergoes thermal dissociation as PCI Cl the mole fraction of PCI at PCI equilibrium is 0 25 and the total pressure is 2 0 atm The partial pressure of Cl at equilibrium 51 is 1 2 5 3 0 5 2 1 0 4 None CE0051 46 In a 0 25 L tube dissociation of 4 mol of NO takes
3 Ke for the esterification reaction CH COOH C H OH CH COOCH0 H O is 4 If 4 mol each of acid and alcohol are taken initially what is the equilibrium concentration of the acid 1 2 3 3 13 3
Physical Chemistry
Equilibrium
3 Ke for the esterification reaction CH COOH C H OH CH COOCH0 H O is 4 If 4 mol each of acid and alcohol are taken initially what is the equilibrium concentration of the acid 1 2 3 3 13 3