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What is the activation energy for a reaction if its rate doubles when the temperature is raised from 20° C to 35° C ? (R=8.314 ~J ~mol^-1 ~K^-1 )

NEET UG 2013 — Chemistry Physical Chemistry

2013mcqhard

What is the activation energy for a reaction if its rate doubles when the temperature is raised from 20∘C20^{\circ} \mathrm{C}20∘C to 35∘C?(R=8.314 J mol−1 K−1)35^{\circ} \mathrm{C} ?\left(R=8.314 \mathrm{~J} \mathrm{~mol}^{-1} \mathrm{~K}^{-1}\right)35∘C?(R=8.314 J mol−1 K−1)

Official previous-year question

Held on 30 Apr 2013 · Verified 9 Jul 2026.

Options

  1. A

    342 kJ mol−1342 \mathrm{~kJ} \mathrm{~mol}^{-1}342 kJ mol−1

  2. B

    269 kJ mol−1269 \mathrm{~kJ} \mathrm{~mol}^{-1}269 kJ mol−1

  3. C

    34.7 kJ mol−134.7 \mathrm{~kJ} \mathrm{~mol}^{-1}34.7 kJ mol−1

  4. D

    15.1 kJ mol−115.1 \mathrm{~kJ} \mathrm{~mol}^{-1}15.1 kJ mol−1

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