NEET-UG SERIES Chemistry
Law Of Chemical Equilibrium And Equilibrium Constant
6 previous year questions.
Volume: 6 Ques
Yield: Medium
High-Yield Trend
2
2025 2
2024 2
2014 Chapter Questions 6 MCQs
01
PYQ 2014
medium
chemistry ID: neet-ug-
For the reversible reaction :
The equilibrium shifts in forward direction :
The equilibrium shifts in forward direction :
1
By decreasing the pressure
2
By decreasing the concentrations of N2(g) and H2(g)
3
By increasing pressure and decreasing temperature
4
By Increasing the concentration of NH3(g)
02
PYQ 2014
medium
chemistry ID: neet-ug-
For a given exothermic reaction, Kp and K'P are the equilibrium constants at temperatures T1 and T2, respectively. Assuming that heat of reaction is constant in temperature range between T1 and T2, it is readily observed that:
1
Kpp
2
Kp=K'p
3
4
Kp>K'p
03
PYQ 2024
medium
chemistry ID: neet-ug-
For the reaction in equilibrium:
N2(g) + 3H2(g) ⇌ 2NH3(g), ΔH = -Q
Reaction is favoured in forward direction by:
N2(g) + 3H2(g) ⇌ 2NH3(g), ΔH = -Q
Reaction is favoured in forward direction by:
1
use of catalyst
2
decreasing concentration of N2
3
low pressure, high temperature and high concentration of ammonia
4
high pressure, low temperature and higher concentration of H2
04
PYQ 2024
medium
chemistry ID: neet-ug-
At a given temperature and pressure, the equilibrium constant values for the equilibria are given below:
The relation between and is:
1
2
3
4
05
PYQ 2025
easy
chemistry ID: neet-ug-
For the reaction A(g) 2B(g), the backward reaction rate constant is higher than the forward reaction rate constant by a factor of 2500, at 1000 K.
[Given: R = 0.0831 atm ]
for the reaction at 1000 K is:
1
2
0.033
3
0.021
4
83.1
06
PYQ 2025
medium
chemistry ID: neet-ug-
Higher yield of NO in the reaction
N (g) + O (g) 2NO (g)
can be obtained at [ of the reaction = +180.7 kJ mol ]
N (g) + O (g) 2NO (g)
can be obtained at [ of the reaction = +180.7 kJ mol ]
1
B, C only
2
B, C, D only
3
A, C, D only
4
A, D only