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Assertion : Adding inert gas to dissocia...

Assertion : Adding inert gas to dissociation equilibrium of `N_(2)O_(4)` at constant pressure and temperature increases the dissociation.
Reason : Molar concentration of the reactants and products decrease.

A

If both (A) and (R) are correct and (R) is the correct explanation of (A).

B

If both (A) and (R) are correct, but(R) is not the correct explanation of (A)

C

If(A) is correct, but (R) is incorrect

D

If both (A) and (R) are incorrect

Text Solution

Verified by Experts

The correct Answer is:
A
To keep the pressure constant, volume would increase. As a result, molar concentration of each reactant and product will decrease. For `N _(2) O_(4) hArr2 NO _(2), ([NO _(2) ]^(2))/([N _(2) O _(4) ])`
To keep K constant, `N_(2) O_(4)` should decrease more.
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