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Previous year question hub

Chemical Kinetics - Physical Chemistry - Chemistry Previous Year Questions

Practice Chemical Kinetics - Physical Chemistry - Chemistry previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

4Papers
4Years
7Questions
1Topics

Chemical Kinetics question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Chemical Kinetics. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Not classified 7 100%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

Multiple Choices 7 100%

Subject weightage

Top subjects by unique question coverage.

Chemistry
7 Qs

Most asked topics

Top topics across the included previous year papers.

Physical Chemistry
7 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Chemical Kinetics
7 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

BITSAT 2025
2 Qs
BITSAT 2024
2 Qs
BITSAT 2021
1 Qs
BITSAT 2020
2 Qs

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
BITSAT 202520252View paper
BITSAT 202420242View paper
BITSAT 202120211View paper
BITSAT 202020202View paper

All Chemical Kinetics previous year questions

Practice every matching question in batches of 20, with every available option.

1
2020 · Chemistry · Physical Chemistry · Chemical Kinetics
BITSAT 2020

A(g) \(\to\) P(g) + Q(g) + R(g),

Follow first order kinetics with a half-life of 69.3 s at 500\(^\circ\)C. Starting from the gas 'A' an container at 500\(^\circ\)C and at a pressure of 0.4 atm, the total pressure of the system after 230 s will be

A
1.15 atm
B
1.32 atm
C
1.22 atm
D
1.12 atm
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2
2020 · Chemistry · Physical Chemistry · Chemical Kinetics
BITSAT 2020

A volume of 50.00 mL of a weak acid of unknown concentration is titrated with 0.10 M solution of NaOH. The equivalence point is reached after 39.30 mL of NaOH solution has been added. At the half equivalence point (19.65 mL) the pH is 4.85. Thus, initial concentration of the acid and its pKa values are

A
\([HA]\) \(p{K_a}\)
0.1 M 4.85
B
\([HA]\) \(p{K_a}\)
0.079 M 4.85
C
\([HA]\) \(p{K_a}\)
0.1 M 3.70
D
\([HA]\) \(p{K_a}\)
0.097 M 2.93
Open complete paper
3
2021 · Chemistry · Physical Chemistry · Chemical Kinetics
BITSAT 2021

For the following reaction

2A + 3B \(\to\) 3C + 4D

expression for rate of reaction is

A
\({{d[A]} \over {dt}}\)
B
\({1 \over 2}{{d[B]} \over {dt}}\)
C
\({1 \over 3}{{d[C]} \over {dt}}\)
D
\({1 \over 4}{{d[D]} \over {dt}}\)
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4
2024 · Chemistry · Physical Chemistry · Chemical Kinetics
BITSAT 2024
For the reaction $ 2 \mathrm{SO}_{2}+\mathrm{O}_{2} \rightleftharpoons 2 \mathrm{SO}_{3} $, the rate of disappearance of $ \mathrm{O}_{2} $ is $ 2 \times 10^{-4} \mathrm{~mol} \mathrm{~L}{ }^{-1} $ $ \mathrm{s}^{-1} $. The rate appearance of $ \mathrm{SO}_{3} $ is
A
$2 \times 10^{-4} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1} $
B
$4 \times 10^{-4} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1} $
C
$1 \times 10^{-1} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1} $
D
$6 \times 10^{-4} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1} $
Open complete paper
5
2024 · Chemistry · Physical Chemistry · Chemical Kinetics
BITSAT 2024
If for a first order reaction, the value of $ A $ and $ E_{a} $ are $ 4 \times 10^{13} \mathrm{~s}^{-1} $ and $ 98.6 \mathrm{~kJ} \mathrm{~mol}^{-1} $ respectively, then at what temperature will its half life period be 10 minutes?
A
330 K
B
300 K
C
330.95 K
D
311.15 K
Open complete paper
6
2025 · Chemistry · Physical Chemistry · Chemical Kinetics
BITSAT 2025

For the reaction,

$$2 \mathrm{SO}_2+\mathrm{O}_2 \rightleftharpoons 2 \mathrm{SO}_3$$

if the rate of disappearance of $\mathrm{O}_2$ is $2 \times 10^{-4} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}$, determine the rate of appearance of $\mathrm{SO}_3$.

A

$2 \times 10^{-4} \mathrm{molL}^{-1} \mathrm{~s}^{-1}$

B

$4 \times 10^{-4} \mathrm{molL}^{-1} \mathrm{~s}^{-1}$

C

$1 \times 10^{-1} \mathrm{molL}^{-1} \mathrm{~s}^{-1}$

D

$6 \times 10^{-4} \mathrm{molL}^{-1} \mathrm{~s}^{-1}$

Open complete paper
7
2025 · Chemistry · Physical Chemistry · Chemical Kinetics
BITSAT 2025

If for a first-order reaction, the frequency factor $A=4 \times 10^{13} \mathrm{~s}^{-1}$ and activation energy $E_a=98.6 \mathrm{~kJ} \mathrm{~mol}^{-1}$, at what temperature will the half-life be 10 minutes?

A

$330 k$

B

$300 k$

C

$330.95 k$

D

311.49 k

Open complete paper