Home Chemistry Chemical Equilibrium JEE Advanced Previous Years Question The INCORRECT statement among the following,…
Chemistry Chemical Equilibrium JEE Advanced Previous Years Question Single Correct MCQ
Published on: August 13, 2026

The INCORRECT statement among the following, for this reaction, is

A
Decrease in the total pressure will result in formation of more moles of gaseous X
B
At the start of the reaction, dissociation of gaseous X 2 takes place spontaneously
C
β equilibrium = 0.7
D
K C < 1

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Text Solution

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The correct answer is:
C

Correct statement.

As on decrease in pressure reaction move indirection where no. of gaseous molecules increase.

Correct statement

At the start of reaction Q P < K P so dissociation of X 2 take place spontaneousely.

Incorrect statement as K P = =

> 1, but

Correct statement.

As & Δ G 0 = –RTlnKP

Δ G 0 > 1, So K P should be less than 1.

So

K P - K C (RT) Δ ng. (RT > 1)

K C =

K C < K P So K C < 1

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