Home Chemistry Thermodynamics and Thermochemistry JEE Main 2021 At 298.2 the relationship between enthalpy o…
Chemistry Thermodynamics and Thermochemistry JEE Main 2021 Single Correct MCQ
Published on: August 14, 2026

At 298.2 the relationship between enthalpy of bond dissociation (in ) for hydrogen and its isotope, deuterium , is best described by:

A
B
C
D

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The correct answer is:
C

Enthalpy of bond dissociation (kJ/mole) at 298.2K For, hydrogen =435.88 For, Deuterium =443.35

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