Chemistry - Chemical Equilibrium Question with Solution | TestHub
ChemistryChemical EquilibriumProblems involving KcMedium2 minQB
ChemistryMediummultiple choice
An amount of 1 mole of SO2(g) and 1 mole of SO2Cl2(g) is taken in a vessel of 20 L capacity maintained at 500 K. At equilibrium, the moles of Cl2 is found to be 0.01.
Options:(select one or more)
Answer:
B, D
Solution:
Cl2 comes only from dissociation: SO2Cl2 = 1 - 0.01 = 0.99 mol, SO2 = 1.01 mol, Cl2 = 0.01 mol KC = (1.01/20)(0.01/20)/(0.99/20) = 5.1 × 10-4 M, so (a) is wrong
For the reverse reaction KP = 1/[KC(RT)] = 1/(5.0 × 10-4 × 0.082 × 500) atm-1, so (b) is correct
Δ G = 0 at both equilibria, so (c) is wrong
Doubling SO2 and halving Cl2 keeps the product [SO2][Cl2] unchanged
So Q = KC and the system stays at equilibrium, and PSO2Cl2 is unchanged, so (d) is correct
The correct statements are (b) and (d).
Stream:JEESubject:ChemistryTopic:Chemical EquilibriumSubtopic:Problems involving Kc
⏱ 2mℹ️ Source: QB
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