CUET-UG SERIES Chemistry
Chemical Kinetics
9 previous year questions.
Volume: 9 Ques
Yield: Medium
High-Yield Trend
1
2025 5
2023 3
2022 Chapter Questions 9 MCQs
01
PYQ 2022
medium
chemistry ID: cuet-ug-
Rate constant "k" for a certain reaction is k = . Order of the reaction is:
1
0
2
1
3
2
4
3
02
PYQ 2022
medium
chemistry ID: cuet-ug-
The decomposition of NH3 on platinum surface is zero order reaction. If k = 2.5 x 10-4 mol L-1 s-1 the rate of production of H2 is
1
2.5 x 10-4 mol L-1 s-1
2
7.5 x 10-4 mol L-1 s-1
3
5.0 x 10-4 mol L-1 s-1
4
10.0 x 10-4 mol L-1 s-1
03
PYQ 2022
easy
chemistry ID: cuet-ug-
The molecularity of the following elementary reaction is NH4NO2 —> N2 + 2H20
1
Zero
2
One
3
Two
4
Three
04
PYQ 2023
medium
chemistry ID: cuet-ug-
The half-life of a first-order reaction is 25 minutes. Its rate constant is:
1
2
3
4
05
PYQ 2023
hard
chemistry ID: cuet-ug-
A drop of solution (Volume 0.05 mL) contains moles of H ions. If the rate constant of disappearance of H is , how long will it take for H ions to disappear?
1
2
3
4
06
PYQ 2023
medium
chemistry ID: cuet-ug-
Ammonia is manufactured by:
The various steps involved are:
(A) Condensation of mixture of gases
(B) Passing the gaseous mixture over catalyst
(C) Compression of the mixture of gases
(D) Recirculation of the gaseous mixture
Choose the correct answer from the options given below:
The various steps involved are:
(A) Condensation of mixture of gases
(B) Passing the gaseous mixture over catalyst
(C) Compression of the mixture of gases
(D) Recirculation of the gaseous mixture
Choose the correct answer from the options given below:
1
(C), (B), (A), (D)
2
(B), (C), (D), (A)
3
(A), (D), (C), (B)
4
(B), (A), (D), (C)
07
PYQ 2023
medium
chemistry ID: cuet-ug-
Inversion of cane sugar is an example of
1
Zero order reaction
2
First order reaction
3
Second order reaction
4
Pseudo first order reaction
08
PYQ 2023
medium
chemistry ID: cuet-ug-
The incorrect equation for Arrhenius equation for activation energy is:
1
2
3
4
09
PYQ 2025
medium
chemistry ID: cuet-ug-
For a first-order reaction, the time required to reduce the concentration of the reactant to one-fourth of its initial value is 20 minutes. What is the half-life of the reaction?
1
5 min
2
10 min
3
20 min
4
40 min