Chemistry class 21
Solution-.
A + B→ 3C
1 2 4
[A] =1/3
[B] = 2/3
[C] =4/3
Qc = [C]3 / [A]×[B]
= 43×3×3/33×1×2
=10.66
Thus, Q must decrease to attain value of Kc and therefore, [C] must decrease or [A] or [B] must increase, i.e., backward direction.
option B is correct.
A + B→ 3C
1 2 4
[A] =1/3
[B] = 2/3
[C] =4/3
Qc = [C]3 / [A]×[B]
= 43×3×3/33×1×2
=10.66
Thus, Q must decrease to attain value of Kc and therefore, [C] must decrease or [A] or [B] must increase, i.e., backward direction.
option B is correct.