JEE Advanced Chemical Kinetics questions with solutions
Rate laws, order of reaction, integrated rate equations and activation energy. 25 questions from our 2016–2025 JEE Advanced pattern papers, from the Class 12 Chemistry syllabus. Each has the answer and a full solution.
Also practise: Chemical Kinetics for JEE Main
JEE Advanced 2025
JEE Advanced 2024
- The gas-phase decomposition A(g)→ 2 B(g)+C(g) is first order in A and is carried out in a rigid vessel at constant temperature, starting with pure A…
- For each reaction in List-I, the rate law (or mechanism) is given. Match with the effect in List-II on the half-life t1/2 when the initial…
- A substance A decomposes by two parallel first-order paths, Axrightarrowk1B and Axrightarrowk2C, with k1=3k2. The half-life of A is 10 min, and…
JEE Advanced 2022
JEE Advanced 2021
- Compound A disappears by two parallel first-order paths, A→ B (rate constant k1, Ea1=60 kJ mol^-1) and A→ C (rate constant k2, Ea2=100 kJ mol^-1). At…
- A substance A decomposes by two parallel first-order paths, A→ B (rate constant k1=3.0×10^-3 s^-1, activation energy 60 kJ mol^-1) and A→ C (rate…
- Paragraph 3: The gas-phase decomposition A(g)→ 2B(g)+C(g) is first order in A. Pure A is introduced into a rigid vessel at 400 K at an initial…
JEE Advanced 2020
- The gas-phase reaction A(g)→ 2B(g)+C(g) is first order in A and is carried out in a rigid vessel at constant temperature, starting with pure A at 100…
- Optically pure (+)-2-iodooctane is dissolved in acetone containing a very large excess of radioactive iodide, I^*-. Every substitution of I by I^*…
- Initial rates for the reaction A+B→ products at a fixed temperature were measured: experiment 1 with [A]=0.10 M, [B]=0.10 M gave 2.0×10^-4 M s^-1…
- A substance A decomposes by two parallel first-order paths, A→ B (activation energy 60 kJ mol^-1) and A→ C (activation energy 80 kJ mol^-1). At 300 K…
JEE Advanced 2019
JEE Advanced 2018
- Reaction kinetics (take R=8.314 J K^-1 mol^-1).
- A sample contains equal numbers of nuclei of two independent radioactive isotopes, X (half-life 10 h) and Y (half-life 30 h), each decaying to a…
- In the consecutive first-order reaction Axrightarrowk1Bxrightarrowk2C with k1=0.20 min^-1 and k2=0.050 min^-1, only A is present at t=0. The maximum…
JEE Advanced 2017
JEE Advanced 2016
- A substance A decomposes by two parallel first-order paths, AtoB (k1, Ea1=90 kJ mol^-1) and AtoC (k2, Ea2=150 kJ mol^-1). At 400 K, k1=3.0×10^-3 s^-1…
- The radioactive isotope ^23592U finally changes to the stable isotope ^20782Pb through a series of α and β^- emissions. If x is the number of α…
- A substance A decomposes by two parallel first-order paths, Axrightarrowk1B and Axrightarrowk2C, with k1=3k2. The half-life for the disappearance of…
Other Chemistry topics
Alcohols, Phenols, Ethers and Haloalkanes 11Atomic Structure 9Biomolecules and Polymers 8Carbonyl Compounds, Carboxylic Acids and Amines 20Chemical Bonding and Molecular Structure 17Chemical Equilibrium 12Chemical Thermodynamics 21Coordination Compounds 23Electrochemistry 22General Organic Chemistry and Isomerism 37Hydrocarbons 12Ionic Equilibrium 20Mole Concept and Stoichiometry 6Qualitative and Practical Chemistry 7Redox Reactions and Titrations 15Solutions, Solid State and Surface Chemistry 26d- and f-Block Elements and Metallurgy 11s-Block, p-Block Elements and Hydrogen 29