15 moles of $H_{2}\ and\ 5.2\ moles\ of\ I_{2}$ are mixed and allowed to attain equilibrium at 500$℃$. At equilibrium, the concentration of $HI$ is found to be 10 moles. The equilibrium constant for the formation of $HI$ is

Question

Dr. Abubacker · Accepted Answer

(a)
$H_{2}\ \ \ \ \ \  + \ \ \ \ \ \ \ I_{2}\ \ \ \ \ \ \ \ \ \  ightleftharpoons \ \ \ \ \ \ \ \ 2HI$
15 5.2 0
(15-5) (5.2-5) 10
Equilibrium constant
$\left( K_{c} ight) = \frac{\lbrack HIbrack^{2}}{\left\lbrack H_{2} ightbrack\lbrack I_{2}brack} = \frac{10 	imes 10}{10 	imes 0.2} = 50$

Q. 15 moles of $H_{2}\ and\ 5.2\ moles\ of\ I_{2}$ are mixed and allowed to attain equilibrium at 500$℃$. At equilibrium, the concentration of $HI$ is found to be 10 moles. The equilibrium constant for the formation of $HI$ is

Explanation

Reviewed by Dr. Abubacker

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