Chemistry · 2020
JEE Main · 9 January 2020, Shift 1 · Q28
If enthalpy of atomisation for Br_2( l ) is x kJ / mol and bond enthalpy for Br_2 is y kJ / mol, the relation between them:
If enthalpy of atomisation for $\displaystyle \mathrm{Br}_{2(\mathrm{l})}$ is $\displaystyle x \mathrm{~kJ} / \mathrm{mol}$ and bond enthalpy for $\displaystyle \mathrm{Br}_2$ is $\displaystyle y \mathrm{~kJ} / \mathrm{mol}$, the relation between them :
Official answer
(2)
is $\displaystyle x>y$
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JEE Main 2020 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.