TS EAMCET · Chemistry · Chemical Equilibrium

For a reaction $A (s) ⇌ B (s) + C (g)$ the set of all correct statements are a) $K$ is independent of $[A]$ . b) $K$ is dependent on partial pressure of $C$ at a given temperature. c) $ΔH$ will be independent of temperature. d) $ΔH$ is independent of the catalyst addition.

A a,b,c,d
B a,b only
C a,b,d only
D a,b,c only

Verified Solution

Answer & Solution

Correct Answer

(C) a,b,d only

Step-by-step Solution

Detailed explanation

Given reaction is As⇌Bs+Cg Equilibrium constant for this reaction KC = C concentration of solid is considered as one during heterogenous equilibrium. So, as we can see K is independent of A. Similarly KP = PC So, K is dependent on partial pressure of C.…

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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For a reaction As⇌Bs+Cg the set of all correct statements are a) K is independent of A. b) K is dependent on partial pressure of C at a given temperature. c) ΔH will be independent of temperature. d) ΔH is independent of the catalyst addition.

Step-by-step Solution

For a reaction $A (s) ⇌ B (s) + C (g)$ the set of all correct statements are a) $K$ is independent of $[A]$ . b) $K$ is dependent on partial pressure of $C$ at a given temperature. c) $ΔH$ will be independent of temperature. d) $ΔH$ is independent of the catalyst addition.