Physical Chemistry Questions
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![Which of the following electron transitions in a hydrogen atom will require the largest amount of energy 1 from n 1 to n 2 2 from n 2 to n 4 3 from n 5 to n 1 4 from n 3 to n 5](https://media.kunduz.com/media/sug-question-candidate/20200807223914056882-668842.jpg?w=256)
Physical Chemistry
Chemical BondingWhich of the following electron transitions in a hydrogen atom will require the largest amount of energy 1 from n 1 to n 2 2 from n 2 to n 4 3 from n 5 to n 1 4 from n 3 to n 5
![Which of the following solution has maximum vapour pressure 1 1 1 N KNO3 31 N AL SO 2 I in add II 1 5 3 2 1 N Ba NO 2 4 IN Ti NO 5 in KL solution The freezing](https://media.kunduz.com/media/sug-question-candidate/20200901051940952552-1973652.jpg?w=256)
Physical Chemistry
SolutionsWhich of the following solution has maximum vapour pressure 1 1 1 N KNO3 31 N AL SO 2 I in add II 1 5 3 2 1 N Ba NO 2 4 IN Ti NO 5 in KL solution The freezing
![1 mol PCI is heated in a closed container of 1 L capacity At equilibrium 20 PCl is not dissociated what should be the value of K C 1 3 2 2 2 4 3 4 2 4 1 4](https://media.kunduz.com/media/sug-question-candidate/20200807212727821052-668842.jpg?w=256)
Physical Chemistry
Equilibrium1 mol PCI is heated in a closed container of 1 L capacity At equilibrium 20 PCl is not dissociated what should be the value of K C 1 3 2 2 2 4 3 4 2 4 1 4
![If the ionization energy of He is per atom then the energy of Be ion in the second 34 stationary state is 1 4 9 x 10 18 J 2 44 1 x 10 18 J 3 11 025 x 10 18 J 4 None of these](https://media.kunduz.com/media/sug-question-candidate/20200807223859596893-668842.jpg?w=256)
Physical Chemistry
GeneralIf the ionization energy of He is per atom then the energy of Be ion in the second 34 stationary state is 1 4 9 x 10 18 J 2 44 1 x 10 18 J 3 11 025 x 10 18 J 4 None of these
![Which of the following geometrical isomerism 1 Co NH Cl lt 3 Cr en 1 complex does no show 2 Co NH NO 4 Pt gly](https://media.kunduz.com/media/sug-question-candidate/20200809103859949221-668842.jpg?w=256)
Physical Chemistry
GeneralWhich of the following geometrical isomerism 1 Co NH Cl lt 3 Cr en 1 complex does no show 2 Co NH NO 4 Pt gly
![If the masses of Cr and O are in the ratio 13 12 in CrO3 then the ratio of O that combines with the same mass of Cr in Cr O3 and Cr O is 1 1 2 3 37 2 1 4 4 25](https://media.kunduz.com/media/sug-question-candidate/20200904170500631027-1890826.jpg?w=256)
Physical Chemistry
GeneralIf the masses of Cr and O are in the ratio 13 12 in CrO3 then the ratio of O that combines with the same mass of Cr in Cr O3 and Cr O is 1 1 2 3 37 2 1 4 4 25
![13 What is the mass of a molecule of CH 1 16 g 2 26 6 x 1022 g 3 2 66 x 10 23 g 4 16 Ng uing has the highest mass 11](https://media.kunduz.com/media/sug-question-candidate/20200829185340495673-668842.jpg?w=256)
Physical Chemistry
General13 What is the mass of a molecule of CH 1 16 g 2 26 6 x 1022 g 3 2 66 x 10 23 g 4 16 Ng uing has the highest mass 11
![At 60 C dinitrogen tetroxide is fifty percent dissociated Calculate the standard free energy change at this temperature and at one atmosphere](https://media.kunduz.com/media/sug-question-candidate/20200904204356059664-668694.jpg?w=256)
Physical Chemistry
EquilibriumAt 60 C dinitrogen tetroxide is fifty percent dissociated Calculate the standard free energy change at this temperature and at one atmosphere
![In a reaction A g 4B g 2AB g AH 0 The formation of AB g will be favoured by 1 Low temperature and high pressure 2 High temperature and high pressure 3 Low temperature and low pressure 4 High temperature and low pressure](https://media.kunduz.com/media/sug-question-candidate/20200807223438965742-668842.jpg?w=256)
Physical Chemistry
EquilibriumIn a reaction A g 4B g 2AB g AH 0 The formation of AB g will be favoured by 1 Low temperature and high pressure 2 High temperature and high pressure 3 Low temperature and low pressure 4 High temperature and low pressure
![Which of the following represent the first excited state of sulphur 1 1 111 2 1 111 3 1 111 4 1 1 1 1 11](https://media.kunduz.com/media/sug-question-candidate/20200807224057858466-668842.jpg?w=256)
Physical Chemistry
Atomic StructureWhich of the following represent the first excited state of sulphur 1 1 111 2 1 111 3 1 111 4 1 1 1 1 11
![The pKa of HCN is 9 3 The pH of a solution prepared by mixing 2 5 mol KCN and 2 5 mol HCN in water and making up to total volume to 500 mL is 1 9 3 2 7 3 3 10 3 4 8 3](https://media.kunduz.com/media/sug-question-candidate/20200807213033107838-668842.jpg?w=256)
Physical Chemistry
EquilibriumThe pKa of HCN is 9 3 The pH of a solution prepared by mixing 2 5 mol KCN and 2 5 mol HCN in water and making up to total volume to 500 mL is 1 9 3 2 7 3 3 10 3 4 8 3
![The solubility product of CaSO is 2 4 x 10 When 100 mL of 0 01 M CaCl and 100 mL of 0 02 M Na SO are mixed then 1 Na SO will precipitate 2 Both will precipitate 3 CaSO will precipitate 4 None will precipitate](https://media.kunduz.com/media/sug-question-candidate/20200807213310582940-668842.jpg?w=256)
Physical Chemistry
EquilibriumThe solubility product of CaSO is 2 4 x 10 When 100 mL of 0 01 M CaCl and 100 mL of 0 02 M Na SO are mixed then 1 Na SO will precipitate 2 Both will precipitate 3 CaSO will precipitate 4 None will precipitate
![The values of electronegativity of atoms A and B are 1 2 and 4 0 respectively The ionic character of the A B bond is DPMT 2009 b 72 24 d 4 3 a 50 c 55 3](https://media.kunduz.com/media/sug-question-candidate/20200807090029833780-1872689.jpg?w=256)
Physical Chemistry
Chemical BondingThe values of electronegativity of atoms A and B are 1 2 and 4 0 respectively The ionic character of the A B bond is DPMT 2009 b 72 24 d 4 3 a 50 c 55 3
![In a 0 25 L tube dissociation of 4 mol of NO is take place If its degree of dissociation is 10 The value of K for reaction 2 NO N O is 1 1 18 2 1 8 3 1 16 4 1 32](https://media.kunduz.com/media/sug-question-candidate/20200903064323259472-1983364.jpg?w=256)
Physical Chemistry
EquilibriumIn a 0 25 L tube dissociation of 4 mol of NO is take place If its degree of dissociation is 10 The value of K for reaction 2 NO N O is 1 1 18 2 1 8 3 1 16 4 1 32
![Example 1 If we have 6 w w urea solution with density 1 060 g mL then calculate its strength in](https://media.kunduz.com/media/sug-question-candidate/20200807103151839092-1657489.jpg?w=256)
Physical Chemistry
GeneralExample 1 If we have 6 w w urea solution with density 1 060 g mL then calculate its strength in
![0 8 18 If 10 g of an unknown substance non electrolyic is dissolved to make 500 mL of solm 300 K is observed to be 1 23 atm find m wt](https://media.kunduz.com/media/sug-question-candidate/20200807104703540514-1657489.jpg?w=256)
Physical Chemistry
Gaseous and liquid states0 8 18 If 10 g of an unknown substance non electrolyic is dissolved to make 500 mL of solm 300 K is observed to be 1 23 atm find m wt
![The anode is the oxidising electrode by which electrons leave the electrolyte Loss of electrons from an atom or ion is called oxidation hence](https://media.kunduz.com/media/sug-question-candidate/20200808054047766139-1898346.jpg?w=256)
Physical Chemistry
ElectrochemistryThe anode is the oxidising electrode by which electrons leave the electrolyte Loss of electrons from an atom or ion is called oxidation hence
![One mole of an ideal gas expands freely and isothermally at 300 K from 10 litres to 100 litres If AU 0 the value of AH is b 200 kJ d 300 kJ a 10 kJ Loke Zero](https://media.kunduz.com/media/sug-question-candidate/20200901074801515507-1711005.jpg?w=256)
Physical Chemistry
GeneralOne mole of an ideal gas expands freely and isothermally at 300 K from 10 litres to 100 litres If AU 0 the value of AH is b 200 kJ d 300 kJ a 10 kJ Loke Zero
![3 In an isulated container water is stirred with a rod to increase the temperature Which of the following is true 1 AU W 0 q 0 3 AU 0 W q 0 2 AU W q 0 4 W 0 AU A](https://media.kunduz.com/media/sug-question-candidate/20200904072630852045-1280819.jpg?w=256)
Physical Chemistry
Energetics3 In an isulated container water is stirred with a rod to increase the temperature Which of the following is true 1 AU W 0 q 0 3 AU 0 W q 0 2 AU W q 0 4 W 0 AU A
![Supposing the I P of H atom is 800 eV Find out the valve of principle quantum number having the energy equal to 50 eV 1 n 2 2 n 3 3 n 4 4 n 1](https://media.kunduz.com/media/sug-question-candidate/20200807212241761839-668842.jpg?w=256)
Physical Chemistry
GeneralSupposing the I P of H atom is 800 eV Find out the valve of principle quantum number having the energy equal to 50 eV 1 n 2 2 n 3 3 n 4 4 n 1
![1 575 g of oxalic acid COOH 2 xH O are dissolved in water and the volume made upto 250 mL On titration 16 68 mL of this solution requires 25mL of N 15 NaOH solution for complete neutralization Calculate x](https://media.kunduz.com/media/sug-question-candidate/20200807001400527340-1903025.jpg?w=256)
Physical Chemistry
General1 575 g of oxalic acid COOH 2 xH O are dissolved in water and the volume made upto 250 mL On titration 16 68 mL of this solution requires 25mL of N 15 NaOH solution for complete neutralization Calculate x
![Find exothermic reaction 1 F F e 2 F Cl F Cl 3 Xe He Xe He 4 O 2e00](https://media.kunduz.com/media/sug-question-candidate/20200904160721311613-1961186.jpg?w=256)
Physical Chemistry
Chemical kineticsFind exothermic reaction 1 F F e 2 F Cl F Cl 3 Xe He Xe He 4 O 2e00
![If a mixture of gases has a total pressure of 100 cm in the Hg and the partial pressure of nitrogen mixture is 25 mm Hg then the per cent of nitrogen in the mixture is a 4 b 40 c 400 d 2 5](https://media.kunduz.com/media/sug-question-candidate/20200808030447146903-1905521.jpg?w=256)
Physical Chemistry
GeneralIf a mixture of gases has a total pressure of 100 cm in the Hg and the partial pressure of nitrogen mixture is 25 mm Hg then the per cent of nitrogen in the mixture is a 4 b 40 c 400 d 2 5
![In the light of Le Chatelier principle 1 an endothermic reaction is facilitated at high temperature 2 an exothermic reaction is facilitated at high temperature 3 a gaseous reaction A2 3B 2AB3 is facilitated at low pressure 4 a gaseous reaction A2 B2 2AB is facilitated at high pressure](https://media.kunduz.com/media/sug-question-candidate/20200904085122682580-1862394.jpg?w=256)
Physical Chemistry
EquilibriumIn the light of Le Chatelier principle 1 an endothermic reaction is facilitated at high temperature 2 an exothermic reaction is facilitated at high temperature 3 a gaseous reaction A2 3B 2AB3 is facilitated at low pressure 4 a gaseous reaction A2 B2 2AB is facilitated at high pressure
![Final pH of the solution obtained on mixing 100 ml 0 01M HCI and 100 ml 0 01M CH3COOH Ka 10 5 is log5 0 7 1 2 3 3 4 3 2 3 7 4 4 5](https://media.kunduz.com/media/sug-question-candidate/20200808132233607636-1881776.jpg?w=256)
Physical Chemistry
EquilibriumFinal pH of the solution obtained on mixing 100 ml 0 01M HCI and 100 ml 0 01M CH3COOH Ka 10 5 is log5 0 7 1 2 3 3 4 3 2 3 7 4 4 5
![Chemistry 36 K of Sr OH is x then calculate value of OH in saturated solution 1 3x 4 3 x 2 2 2 4 4 X](https://media.kunduz.com/media/sug-question-candidate/20200904005540432299-1986101.jpg?w=256)
Physical Chemistry
EquilibriumChemistry 36 K of Sr OH is x then calculate value of OH in saturated solution 1 3x 4 3 x 2 2 2 4 4 X
![Na Amalgam is prepared by electrolysis of aq NaCl solution using 10 gm Hg cathode How many Faraday s of electricity is required to prepare 18 7 Na Amalgam current Eff 50 x 10 A 0 081 F B 0 16 F C 0 2 F D 0 1 F 2 TAI 2 10 x 2 3 Sam2 mol 1 at infinite](https://media.kunduz.com/media/sug-question-candidate/20200606210839594563-1448524.jpg?w=256)
Physical Chemistry
ElectrochemistryNa Amalgam is prepared by electrolysis of aq NaCl solution using 10 gm Hg cathode How many Faraday s of electricity is required to prepare 18 7 Na Amalgam current Eff 50 x 10 A 0 081 F B 0 16 F C 0 2 F D 0 1 F 2 TAI 2 10 x 2 3 Sam2 mol 1 at infinite
![In a sample of NH3 g 18 x 1022 atoms of hydrogen are present then find out the volume of NH g at STP 1 2 24 L 3 4 48 L 2 1 12 L 4 6 72 L](https://media.kunduz.com/media/sug-question-candidate/20200807212223800757-668842.jpg?w=256)
Physical Chemistry
GeneralIn a sample of NH3 g 18 x 1022 atoms of hydrogen are present then find out the volume of NH g at STP 1 2 24 L 3 4 48 L 2 1 12 L 4 6 72 L
![60 mL 0 1 M KMnO4 is treated with excess of FeC 0 n presence of H SO4 The volume of CO gar measured at STP obtained is 1 448 mL 3 224 mL 2 672 mL 4 112 mL](https://media.kunduz.com/media/sug-question-candidate/20200807001230105049-1903025.jpg?w=256)
Physical Chemistry
General60 mL 0 1 M KMnO4 is treated with excess of FeC 0 n presence of H SO4 The volume of CO gar measured at STP obtained is 1 448 mL 3 224 mL 2 672 mL 4 112 mL
![For the reaction PCI g PC13 g Cl g the forward reaction at constant temperature of favoured by 1 Introducing an inert gas at constant volume 2 Introducing Cl gas at constant volume 3 Introducing an inert gas at constant pressure 4 None of the above](https://media.kunduz.com/media/sug-question-candidate/20200807212834682342-668842.jpg?w=256)
Physical Chemistry
EquilibriumFor the reaction PCI g PC13 g Cl g the forward reaction at constant temperature of favoured by 1 Introducing an inert gas at constant volume 2 Introducing Cl gas at constant volume 3 Introducing an inert gas at constant pressure 4 None of the above
![84 Consider two reactions 1 and 2 having energies E and activation E respectively When the temperature is changed from 400 to 450 K the rate constant for the first reaction changes from k to kand that for the second reaction changes from k to k If E E then which of the following expressions is true for the reactions a K K K K b K K 1 k](https://media.kunduz.com/media/sug-question-candidate/20200807113830008428-1907832.jpg?w=256)
Physical Chemistry
Chemical kinetics84 Consider two reactions 1 and 2 having energies E and activation E respectively When the temperature is changed from 400 to 450 K the rate constant for the first reaction changes from k to kand that for the second reaction changes from k to k If E E then which of the following expressions is true for the reactions a K K K K b K K 1 k
![3 Zn reduce Mg2 4 Zn reduces Fe2 2 Deduce from the following E values of half cells what combination of two half cells would results in a cell with the largest potential I A eA E 0 24 V II BO eB III C 2e C iv D 2e D 1 II IV 3 III IV E 1 25 V E 1 25 V E 0 68 V 2 II III 4 I II all reaction](https://media.kunduz.com/media/sug-question-candidate/20200807103146433731-1898608.jpg?w=256)
Physical Chemistry
General3 Zn reduce Mg2 4 Zn reduces Fe2 2 Deduce from the following E values of half cells what combination of two half cells would results in a cell with the largest potential I A eA E 0 24 V II BO eB III C 2e C iv D 2e D 1 II IV 3 III IV E 1 25 V E 1 25 V E 0 68 V 2 II III 4 I II all reaction
![4 56 1 dm solution containing 105 moles each of Cl ions and CrO2 ions is treated with 10 4 moles of silver nitrate Which one of the following observations is made Ksp Ag 2CrO4 4 10 Ksp AgCl 1x 10 101 a Precipitation does not occur b Silver chromate gets precipitated first c Silver chloride gets precipitated first d Both silver chromate and silver chloride](https://media.kunduz.com/media/sug-question-candidate/20200831043202135850-1942629.jpg?w=256)
Physical Chemistry
Gaseous and liquid states4 56 1 dm solution containing 105 moles each of Cl ions and CrO2 ions is treated with 10 4 moles of silver nitrate Which one of the following observations is made Ksp Ag 2CrO4 4 10 Ksp AgCl 1x 10 101 a Precipitation does not occur b Silver chromate gets precipitated first c Silver chloride gets precipitated first d Both silver chromate and silver chloride
![31 In which of the following case pH is greater than 7 1 50 ml of 0 1 M HCI 50 ml of 0 1 M NaCl 2 50 ml of 0 1 M H SO4 50 ml of 0 2 M NaOH 50 ml of 0 1 M CH3COOH 50 ml of 0 1 M KOH LOT 4 50 ml of 0 1 M HNO3 50 ml of 0 1 M NH3](https://media.kunduz.com/media/sug-question-candidate/20200902190938647292-1280819.jpg?w=256)
Physical Chemistry
Equilibrium31 In which of the following case pH is greater than 7 1 50 ml of 0 1 M HCI 50 ml of 0 1 M NaCl 2 50 ml of 0 1 M H SO4 50 ml of 0 2 M NaOH 50 ml of 0 1 M CH3COOH 50 ml of 0 1 M KOH LOT 4 50 ml of 0 1 M HNO3 50 ml of 0 1 M NH3
![7 A gas deviates from ideal behaviour at a high pressure because its molecules a attract one another b show the Tyndall effect c have kinetic energy 1 bu noualent bonds](https://media.kunduz.com/media/sug-question-candidate/20200831172011977955-1942629.jpg?w=256)
Physical Chemistry
General7 A gas deviates from ideal behaviour at a high pressure because its molecules a attract one another b show the Tyndall effect c have kinetic energy 1 bu noualent bonds
![The weight of one molecule of a compound C6H122 is 60 1 1 2 x 10 20 gm 2 1 4 x 10 21 gm 3 5 025 x 10 3 am](https://media.kunduz.com/media/sug-question-candidate/20200807223239602312-668842.jpg?w=256)
Physical Chemistry
GeneralThe weight of one molecule of a compound C6H122 is 60 1 1 2 x 10 20 gm 2 1 4 x 10 21 gm 3 5 025 x 10 3 am
![1 mole heptane V P 92 mm of Hg is mixed with 4 mol Octane V P 31 mm of Hg from an ideal solution Find out the vapour pressure of solution](https://media.kunduz.com/media/sug-question-candidate/20200807104404125266-1657489.jpg?w=256)
Physical Chemistry
Solutions1 mole heptane V P 92 mm of Hg is mixed with 4 mol Octane V P 31 mm of Hg from an ideal solution Find out the vapour pressure of solution
![solute per 100 mL was found to have an osmoti pressure equal to 500 cm of mercury at 27 C Th molecular weight of the solute is 1 14 99 g 2 149 9 g 3 1499 g 4 1 499 g](https://media.kunduz.com/media/sug-question-candidate/20200903130123211910-1890826.jpg?w=256)
Physical Chemistry
Solutionssolute per 100 mL was found to have an osmoti pressure equal to 500 cm of mercury at 27 C Th molecular weight of the solute is 1 14 99 g 2 149 9 g 3 1499 g 4 1 499 g
![9 The atomic weight of a metal M is 27 and its equivalent weight is 9 the formula of its chloride will be 1 MCL 3 M Cl 2 MC1 4 MCL3](https://media.kunduz.com/media/sug-question-candidate/20200829232159005077-668842.jpg?w=256)
Physical Chemistry
General9 The atomic weight of a metal M is 27 and its equivalent weight is 9 the formula of its chloride will be 1 MCL 3 M Cl 2 MC1 4 MCL3
![21 Given the bond dissociation energies below in kcal mole estimate the AH for the ary carbon e quaternary carbon propagation step CH 3 2 CH Cl2 CH 3 2 CHCl Cl A 98 CH3CH2CH2 H CH3 2 CH H Cl Cl H Cl CH3CH2CH2 Cl CH3 2 CH Cl a 30 kcal mole c 40 kcal mole CM3 CM 2 95 58 103 aniq Indic 81 80 b 22 kcal mole d 45 kcal molo 45 We ala 85](https://media.kunduz.com/media/sug-question-candidate/20200807175643108624-1899818.jpg?w=256)
Physical Chemistry
Energetics21 Given the bond dissociation energies below in kcal mole estimate the AH for the ary carbon e quaternary carbon propagation step CH 3 2 CH Cl2 CH 3 2 CHCl Cl A 98 CH3CH2CH2 H CH3 2 CH H Cl Cl H Cl CH3CH2CH2 Cl CH3 2 CH Cl a 30 kcal mole c 40 kcal mole CM3 CM 2 95 58 103 aniq Indic 81 80 b 22 kcal mole d 45 kcal molo 45 We ala 85
![2 76 g of silver carbonate on being strongly heated yields a residue weighing Ag CO 2Ag CO 2O 2 2 2 48 g 4 2 64 g 1 2 16 g 3 2 32 g](https://media.kunduz.com/media/sug-question-candidate/20200829175029875999-668842.jpg?w=256)
Physical Chemistry
General2 76 g of silver carbonate on being strongly heated yields a residue weighing Ag CO 2Ag CO 2O 2 2 2 48 g 4 2 64 g 1 2 16 g 3 2 32 g
![3 Main axis of a diatomic molecule is z orbital p and p overlap with each other to form which of th following molecular orbitals 1 molecular orbital 2 o molecular orbital 3 8 molecular orbital 4 No bond will form](https://media.kunduz.com/media/sug-question-candidate/20200904172614867998-1280819.jpg?w=256)
Physical Chemistry
Atomic Structure3 Main axis of a diatomic molecule is z orbital p and p overlap with each other to form which of th following molecular orbitals 1 molecular orbital 2 o molecular orbital 3 8 molecular orbital 4 No bond will form
![Which reaction does not involve neither oxidation nor reduction 1 VO V 03 3 Cro2Cr 0 2 Na Na 4 Zn Zn](https://media.kunduz.com/media/sug-question-candidate/20200807000829779600-1903025.jpg?w=256)
Physical Chemistry
GeneralWhich reaction does not involve neither oxidation nor reduction 1 VO V 03 3 Cro2Cr 0 2 Na Na 4 Zn Zn
![Arrange the following molecules in the increasing order of their ionic character 2 Points LiF K O N SO2 Cu LiF K 0 N SO CIF3 N K 0 LiF SO CIF3 N K 0 LiF CIF3 SO](https://media.kunduz.com/media/sug-question-candidate/20200831023848108867-1883533.jpg?w=256)
Physical Chemistry
Chemical BondingArrange the following molecules in the increasing order of their ionic character 2 Points LiF K O N SO2 Cu LiF K 0 N SO CIF3 N K 0 LiF SO CIF3 N K 0 LiF CIF3 SO
![UMP 5 A glass bulb of 1 litre capacity contains 2 10 1 molecules of nitrogen exerting pressure of 7 57 x 10 Nm 2 Calculate the root mean square speed and the temperature of gas molecules If the ratio of up to Urms is 0 82 calculate up for these molecules at this temperature IIT 1993](https://media.kunduz.com/media/sug-question-candidate/20200711063752204992-1648442.jpg?w=256)
Physical Chemistry
GeneralUMP 5 A glass bulb of 1 litre capacity contains 2 10 1 molecules of nitrogen exerting pressure of 7 57 x 10 Nm 2 Calculate the root mean square speed and the temperature of gas molecules If the ratio of up to Urms is 0 82 calculate up for these molecules at this temperature IIT 1993
![disproportionation reaction Cr 0 1 CrO5 2 103 I H I 3 CrO Cl NaOH Na CrO4 NaCl H O 4 Na S O3 H SO4 Na SO4 SO2 S8 H O](https://media.kunduz.com/media/sug-question-candidate/20200807000900382177-1903025.jpg?w=256)
Physical Chemistry
Generaldisproportionation reaction Cr 0 1 CrO5 2 103 I H I 3 CrO Cl NaOH Na CrO4 NaCl H O 4 Na S O3 H SO4 Na SO4 SO2 S8 H O
![6 Which of the following statements is incorrect a Pure sodium metal dissolves in liquid ammonia to give blue solution b NaOH reacts with glass to give sodium silicate c Aluminium reacts with excess NaOH to give Al OH 3 d NaHCO on heating gives Na CO3](https://media.kunduz.com/media/sug-question-candidate/20200829134519824486-1960875.jpg?w=256)
Physical Chemistry
General6 Which of the following statements is incorrect a Pure sodium metal dissolves in liquid ammonia to give blue solution b NaOH reacts with glass to give sodium silicate c Aluminium reacts with excess NaOH to give Al OH 3 d NaHCO on heating gives Na CO3
![for the cell at 298 K Ag s I AgCl s CH aq AgNO aq Ag s Which of following is correct A The cell emf will be zero when Ag in anodic compartment Ag in cathodic compartment B The amount of AgCl s precipitate in anodic compartment will decrease with the working of the cell C The concentration of Ag constant in anodic compartment during working of cell 0 059 1 Scanned with ACE AU log CamScanner 1 CI 1](https://media.kunduz.com/media/sug-question-candidate/20200619101828681032-693813.jpg?w=256)
Physical Chemistry
Electrochemistryfor the cell at 298 K Ag s I AgCl s CH aq AgNO aq Ag s Which of following is correct A The cell emf will be zero when Ag in anodic compartment Ag in cathodic compartment B The amount of AgCl s precipitate in anodic compartment will decrease with the working of the cell C The concentration of Ag constant in anodic compartment during working of cell 0 059 1 Scanned with ACE AU log CamScanner 1 CI 1
![5 Solubility of Ba OH in pH 11 is 10 8 What the solubility product of Ba OH 2 1 10 11 2 10 14 3 10 9 4 10 12](https://media.kunduz.com/media/sug-question-candidate/20200808151837479887-1881776.jpg?w=256)
Physical Chemistry
Equilibrium5 Solubility of Ba OH in pH 11 is 10 8 What the solubility product of Ba OH 2 1 10 11 2 10 14 3 10 9 4 10 12
![molarity 1000 1000xd molarity xm late molarity of CaCO aq solution which has concentration of CaCO molality 200 p](https://media.kunduz.com/media/sug-question-candidate/20200807103448008348-1657489.jpg?w=256)
Physical Chemistry
Generalmolarity 1000 1000xd molarity xm late molarity of CaCO aq solution which has concentration of CaCO molality 200 p