Question

Calculate partial pressure of B at equilibrium in the following equilibrium

$\text{A(s)}\rightleftharpoons \text{B(g)}\text{+}\text{2C(g);}{\left(\text{K}\right)}_{\text{p}}\text{=}\text{32}{\left(\text{atm}\right)}^{\text{3}}$

• A. 2
• B. 3
• C. 17
• D. 5.8

Answer 1

Answer: (A)

$\text{A(s)}\rightleftharpoons \underset{\text{P}}{\text{B(g)}}\text{+}\underset{\text{2P}}{\text{2C(g)}}$

At equation $K_f=P.(2P{)}^2$

$32=4P^3$

$P^3=8$

$\text{P}\text{=}\text{2}\text{atm}$