Home Chemistry Chemical Equilibrium Le-Chaterlier Principle and It’s Application A reaction in equilibrium is represented by …
Chemistry Chemical Equilibrium Le-Chaterlier Principle and It’s Application Single Correct MCQ
Published on: August 13, 2026

A reaction in equilibrium is represented by the following equation –

2A(s) + 3B(g) 3C(g) + D(g) + O 2 if the pressure on the system is reduced to half of its original value

A
The amounts of C and D decreases
B
The amounts of C and D increases
C
The amount of B and D decreases
D
All the amounts remain constant

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The correct answer is:
B

2A(s) + 3B(g) 3C(g) + D(g) + O 2

If pressure on system is reduced to half its original value then equilibrium will shift in forward direction to increase no. of moles of gas to compensate reduction of pressure.

Amounts of C & D will increase.

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