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Consider the following equilibrium in a ...

Consider the following equilibrium in a closed container:
`N_(2)O_(4(g))iff2NO_(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 degree of dissociation `(alpha)`?

A

Neither `K_(p)` nor `alpha` changes

B

Both `K_(p) and alpha` change

C

`K_(p)` changes but `alpha` 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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