Chemical EquilibriumHard

Question

For the reaction I2(g) $\rightleftharpoons$2I(g), KC = 1.0 × 10−2 mol lit−1. What volume of the vessel should be taken so that at equilibrium 1 mole of I2 and 0.5 mole of ‘I’ are present at equilibrium?

Options

A.25 L
B.0.04 L
C.0.25 L
D.5 L

Solution

$K_{C} = \frac{\lbrack I\rbrack^{2}}{\left\lbrack I_{2} \right\rbrack} \Rightarrow 10^{- 2} = \frac{\left( \frac{0.5}{V} \right)^{2}}{\left( \frac{1}{v} \right)} \Rightarrow V = 25\text{ L}$

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