Home Chemistry Chemical Equilibrium Matching Type Question Match the columns.                         C…
Chemistry Chemical Equilibrium Matching Type Question Single Correct MCQ
Published on: August 14, 2026

Match the columns.

                        Column I

Column II

(A)

Dissociation of N2O4(g)

N2O4(g)2NO2(g);

ΔH=+57.0 kJ

(P)

Increases with

temperature

(B)

Oxidation of NH3(g)

4NH3(g)+5O2(g)4NO(g)

+6H2O(g); ΔH=-900.0 kJ

(Q)

Decreases with

pressure

(C)

Oxidation of nitrogen

N2(g)+O2(g)2NO(g);

ΔH=+180.0 kJ

(R)

Increases with

addition of inert

gas at constant

pressure

(D)

Formation of NO2(g)

NO(g)+O3(g)NO2(g)

+ O2(g); ΔH=-200 kJ

(S)

Decreases with

temperature

A
(R);
B
(Q), (S), (R); )
C


D
)

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Text Solution

Verified by Experts
The correct answer is:
A

) it is endothermic reaction, hence on increasing temperature, reaction proceed in forward direction. On addition of inert gas, at constant pressure also favour product side according to Le Chatelier principle.

it is exothermic reaction, hence on increasing temperature, reaction proceed in backward direction.
endothermic reaction therefore on increasing temperature reaction proceed in product side.
exothermic reaction therefore on increasing temperature reaction proceed in backward side.

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