NEET
Chemistry

Le Chateliers Principle

Low Priority
Consistency: 15%
Weightage: 3 / 20 Yrs

High-Yield Trend

1
2025
1
2018
1
2011

Questions
3 MCQs

01
PYQ 2011
easy
chemistry ID: neet-201

What conditions favor the formation of 2XY₄(g) in the reaction X₂(g) + 4Y₂(g) ⇋ 2XY₄(g), considering that the enthalpy change (ΔH) is negative?

1. Low pressure and low temperature

2. High temperature and low pressure

3. High pressure and low temperature

4. High temperature and high pressure

1
(1)
2
(2)
3
(3)
4
(4)
02
PYQ 2018
easy
chemistry ID: neet-201

Mark the conditions that favour the maximum product formation in the given reaction.
A2 (g) + B2 (g) X2 (g), rH = -X k J

1. Low temperature and high pressure.
2. Low temperature and low pressure.
3. High temperature and high pressure.
4. High temperature and low pressure.

1
(1)
2
(2)
3
(3)
4
(4)
03
PYQ 2025
easy
chemistry ID: neet-202
Which of the following parameters can determine the higher yield of in the reaction, ?
of the reaction
A. higher temperature
B. lower temperature
C. higher concentration of
D. higher concentration of

Choose the correct answer from the options given below:
1. B, C, D only
2. A, C, D only
3. A, D only
4. B, C only
1
(1)
2
(2)
3
(3)
4
(4)