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Friday, 9 October

JEE Main Chemistry · Chemical Kinetics

Two-Point Arrhenius Equation

Two-Point Arrhenius Equation (Chemical Kinetics) was asked 5 times in 5 JEE Main shifts, 2020–2026, out of the 42 shifts Lumi analysed. 4 of the 5 had a numerical answer.

Times asked
5
in 5 shifts
Years
2020–2026
Usual format
Numerical value
Calculation
Pattern
Frequent
repeats across shifts

How it is asked

  • Temperature from rate constants and ea
  • Statement i/ii on rate constant and half-life

Difficulty

Easy 0Medium 5Hard 0

Where it sits

Chapter: Chemical Kinetics. Topic: Arrhenius Equation, 15 questions over 8 ideas.

Other repeat ideas in this topic

Every time it came

All 5 questions

Newest first, each with its options and official answer.

  1. 2 Apr 2026, Shift 1 · Q74For reaction A→P\mathrm{A\rightarrow P}, rate constant k=1.5×103 s−1k=1.5\times10^3\ \mathrm{s^{-1}} at 27∘27^\circC If activation energy for the above…MediumNumerical value
  2. 8 Apr 2026, Shift 2 · Q57Given below are two statements : R=8.314 J K−1 mol−1R = 8.314\ \mathrm{J\,K^{-1}\,mol^{-1}} and 1 cal = 4.2 J Statement I : When Ea = 12.6 kcal/mol, the…MediumTwo statementsHas a figure
  3. 29 Jun 2022, Shift 1 · Q85The activation energy of one of the reactions in a biochemical process is 532611 J mol−1532611\ \mathrm{J\ mol^{-1}}. When the temperature falls from…MediumNumerical value
  4. 9 Jan 2020, Shift 2 · Q48A sample of milk splits after 60 min. at 300 K and after 40 min. at 400 K when the population of lactobacillus acidophilus in it doubles.…MediumNumerical value
  5. 6 Sep 2020, Shift 2 · Q48The rate of a reaction decreased by 3.555 times when the temperature was changed from 40 °C to 30 °C. The activation energy (in kJ…MediumNumerical value