Consider the following equilibrium in a closed container, N2O4(g)⇌2NO2(g). At a fixed temperature, the volume of the reaction container is halved. For this change which of the following statements hold true regarding the equilibrium constant (Kp) and degree of dissociation (α)?

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Kp does not change, but α changes

Kp changes, but α does not change

Both Kp and α change

Neither Kp nor α changes

answer is A.

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Detailed Solution

The value of Kp does not depend upon volume but on changing the volume, α changes because on both sides the number of moles are different.

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