Kc for A+B leftharpoons C+D is 10 at 25° C. If a container contains 1,2,3 and 4 mol per litre of A, B, C and D respectively at 25° C, then

Question

Kc for A+B leftharpoons C+D is 10 at 25° C. If a container contains 1,2,3 and 4 mol per litre of A, B, C and D respectively at 25° C, then (A) forward reaction should be favoured (B) backward reaction should be favoured (C) the reaction should be at equilibrium (D) none of these.

Tardigrade Admin · Accepted Answer

For the reaction, A+B leftharpoons C+D Q=([C][D]/[A][B])=(3 × 4/1 × 2)=6 But Kc-10 ; as Q< Kc thus forward rcaction should occur.

Q. $K_{c}$ for $A + B ⇌ C + D$ is 10 at $2 5^{\circ} C$ . If a container contains 1,2,3 and 4 mol per litre of $A, B, C$ and $D$ respectively at $2 5^{\circ} C$ , then

forward reaction should be favoured

backward reaction should be favoured

the reaction should be at equilibrium

none of these.

For the reaction, $A + B ⇌ C + D$

$Q = \frac{[ C ] [ D ]}{[ A ] [ B ]} = \frac{3 \times 4}{1 \times 2} = 6$

But $K_{c} - 10;$ as $Q < K_{c}$ thus forward rcaction should occur.

Q. Kc​ for A+B⇌C+D is 10 at 25∘C. If a container contains 1,2,3 and 4 mol per litre of A,B,C and D respectively at 25∘C, then