For the reaction, $H_{2} + I_{2} ⇌ 2 H I$ , the equilibrium constant, $K$ is dimensionless.

True

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False

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Solution

The correct option is A True
The value of $Δ n$ is $2 - (1 + 1) = 0$ .
The dimensions of the equilibrium constant are $(m o l L^{- 1})^{Δ n} = (m o l L^{- 1})^{0}$ .
Thus the equilibrium constant is dimensionless.

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