Chemistry · 2021
JEE Main · 4 August 2021, Shift 1 · Q37
Naturally occurring hydrogen contains three isotopes, protium (H), deuterium (D) and tritium (T). What is correct order of heat of dissociation for…
Naturally occurring hydrogen contains three isotopes, protium (H), deuterium (D) and tritium (T). What is correct order of heat of dissociation for $\displaystyle \mathrm{H}_2, \mathrm{D}_2$ and $\displaystyle \mathrm{T}_2$ ?
Official answer
(2)
$\displaystyle \mathrm{T}_2>\mathrm{D}_2>\mathrm{H}_2$
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JEE Main 2021 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.