JEE Main Chemistry · Chemical Kinetics
First Order Integrated Rate Law
First Order Integrated Rate Law (Chemical Kinetics) was asked 5 times in 5 JEE Main shifts, 2021–2026, out of the 42 shifts Lumi analysed. 5 of the 5 had a numerical answer.
- Times asked
- 5
- in 5 shifts
- Years
- 2021–2026
- Usual format
- Numerical value
- Calculation
- Pattern
- Frequent
- repeats across shifts
How it is asked
- Time for fractional completion first order
- Time from first order concentration table
Difficulty
Easy 1Medium 4Hard 0
Where it sits
Chapter: Chemical Kinetics. Topic: Integrated Rate Equations, 24 questions over 12 ideas.
Other repeat ideas in this topic
Every time it came
All 5 questions
Newest first, each with its options and official answer.
- 4 Apr 2026, Shift 2 · Q74For a first order reaction [table: t/min = 0, x, 20; [A]/M = 0.6500, 0.0650, 0.00065] ________ min.…MediumNumerical value
- 5 Apr 2026, Shift 1 · Q75If the half life of a first order reaction is 6.93 minutes then the time required for completion of 99% of the reaction will be ________…EasyNumerical value
- 2 Apr 2025, Shift 2 · Q71For the reaction the following graph was obtained. The time required (in seconds) for the concentration of A to reduce…MediumNumerical valueHas a figure
- 3 Aug 2021, Shift 2 · Q57The inactivation process of virus is first order with respect to virus concentration and 2% of the virus was inactivated in the first one…MediumNumerical value
- 16 Mar 2021, Shift 2 · Q58A and B decompose via first order kinetics with half-lives 54.0 min and 18.0 min respectively. Starting from an equimolar non reactive…MediumNumerical value