Equilibrium Question 654

Question: The compound A and B are mixed in equimolar proportion to form the products, $ A+B $ ⇌ $ C+D $ . At equilibrium, one third of A and B are consumed. The equilibrium constant for the reaction is [KCET 2004]

Options:

A) 0.5

B) 4.0

C) 2.5

D) 0.25

Show Answer

Answer:

Correct Answer: D

Solution:

$ K=\frac{[C][D]}{[A][B]}=\frac{\frac{1}{3}\times \frac{1}{3}}{\frac{2}{3}\times \frac{2}{3}}=\frac{1}{4}=0.25 $ So, $ K=0.25 $



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