Equilibrium Question 616

Question: In a chemical equilibrium $ A+B $ ⇌ $ C+D $ , when one mole each of the two reactants are mixed, 0.6 mole each of the products are formed. The equilibrium constant calculated is [CBSE PMT 1989]

Options:

A) 1

B) 0.36

C) 2.25

D) 4/9

Show Answer

Answer:

Correct Answer: C

Solution:

A+ B ⇌C+ D Initial 1 1 0 0 remaining at equilibrium 0.4 0.4 0.6 0.6 $ K=\frac{[C][D]}{[A][B]}=\frac{0.6\times 0.6}{0.4\times 0.4}=\frac{36}{16}=2.25 $ .



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