Q. Partial pressure of $A,\ B,\ C\$ and $D$ on the basis of gaseous system, $A + 2B \rightleftharpoons C + 3D,$ are $A = 0.20,\ B = 0.10,\ C = 0.30$and $D = 0.50\ atm$. The numerical value of equilibrium constant is

A) 3.75
B) 18.75
C) 17.85
D) 15.87
Explanation

(b)
$A + 2B \rightleftharpoons C + 3D$
$K_{c} = \frac{{p_{C}p_{D}}^{3}}{{p_{A}p_{B}}^{2}} = \frac{0.30 \times (0.50)^{3}}{0.20 \times (0.10)^{2}}$
$= 18.75$

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.

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