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Consider the following equilibrium in a ...

Consider the following equilibrium in a closed container
`N_(2)O_(4)(g)hArr2NO_(2)(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 `(K_(p))` and degree of dissociation `(alpha)`?

A

neither `K_(p) "nor" alpha` changes

B

both `K_(p) and alpha ` change

C

`K_(p) " changes but " alpha ` does not change

D

`K_(p) ` does not change but `alpha` changes

Text Solution

Verified by Experts

The correct Answer is:
D
`K_(p)` is constant at constant temperature . As volume is halved , pressure will be doubled . Hence, equilibrium will shift in the backward direction , i.e, degree of dissociation decreases .
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Consider the following equilibrium in a closed container: N_(2)O_(4)(g)hArr2NO_(2)(g) At a fixed temperature, the volume of the reaction container is halved. For this change which of the following statements holds true regarding the equilibrium constant (K_(p)) and the degree of dissociation (alpha) ?

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