Equilibrium Question 764

Question: In a reaction $ A+B~\rightarrow C+D $ , the initial concentrations, of A and B were 0.9 mol. $ d{m^{-3}} $ each. At equilibrium the concentration of D was found to be 0.6 mol $ d{m^{-3}} $ . What is the value of equilibrium constant for the reaction

Options:

A) 8

B) 4

C) 9

D) 3

Show Answer

Answer:

Correct Answer: B

Solution:

Initial At eqm. $ K_{c}=\frac{0.6\times 0.6}{0.3\times 0.3}=4 $



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