JEE Main 2026 — Chemical Kinetics Question with Solution
JEE Main 2026 (02 April Shift 1)
Question
For reaction , rate constant s at C. If activation energy for the above reaction is kJ mol, then the temperature (in C) at which rate constant, s is _______. (Nearest integer)
Given : , , J K mol,
Given : , , J K mol,
Enter your answer
Show full solutionCorrect answer: 41
Correct answer
41
Step-by-step explanation
Using the Arrhenius equation:
Given:
Substituting the values into the equation:
Converting to Celsius:
The nearest integer is .
Answer:
Given:
Substituting the values into the equation:
Converting to Celsius:
The nearest integer is .
Answer:
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This is a previous-year question from JEE Main 2026, covering the Chemical Kinetics chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.