Equilibrium Question 730

Question: The equilibrium constant for the reaction; N2(g)+O2(g)2NO(g) at temperature T is 4×104. .The value of Kc for the reaction. NO(g)1/2N2(g)+1/2O2(g) at the temperature is

Options:

A) 0.02

B) 50

C) 4×104

D) 2.5×102

Show Answer

Answer:

Correct Answer: B

Solution:

N2+O22NO

KC1=[NO]2[N2][O2]=4×104

NO1/2N2+1/2O2

KC2=[N2]1/2[O2]1/2[NO]

KC2=1Kc1=14×104=50



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