Equilibrium Question 637

Question: Equilibrium concentration of $ HI,,I_2 $ and $ H_2 $ is $ 0.7,,0.1 $ and $ 0.1,M $ respectively. The equilibrium constant for the reaction $ I_2+H_2 $ ⇌ $ 2HI $ is [JIPMER 2000]

Options:

A) 36

B) 49

C) 0.49

D) 0.36

Show Answer

Answer:

Correct Answer: B

Solution:

$ K_{c}=\frac{{{[HI]}^{2}}}{[H_2][I_2]}=\frac{{{[0.7]}^{2}}}{[0.1][0.1]}=49 $



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