Chemistry · 2023
JEE Main · 10 April 2023, Shift 2 · Q83
The number of endothermic process/es from the following is ____ A. I_2( g ) → 2 I ( g ) B. HCl ( g ) → H ( g )+ Cl ( g ) C. H_2 O ( l ) → H_2 O ( g )…
The number of endothermic process/es from the following is $\displaystyle \_\_\_\_$
A. $\displaystyle \mathrm{I}_2(\mathrm{~g}) \rightarrow 2 \mathrm{I}(\mathrm{g})$
B. $\displaystyle \mathrm{HCl}(\mathrm{g}) \rightarrow \mathrm{H}(\mathrm{g})+\mathrm{Cl}(\mathrm{g})$
C. $\displaystyle \mathrm{H}_2 \mathrm{O}(\mathrm{l}) \rightarrow \mathrm{H}_2 \mathrm{O}(\mathrm{g})$
D. $\displaystyle \mathrm{C}(\mathrm{s})+\mathrm{O}_2(\mathrm{~g}) \rightarrow \mathrm{CO}_2(\mathrm{~g})$
E. Dissolution of ammonium chloride in water
Official answer
From NTA’s final answer key for this paper.
4
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JEE Main 2023 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.