JEE Main 2018 — Thermodynamics (C) Question with Solution
JEE Main 2018 (15 Apr Shift 1 Online)
Question
For which of the following reactions, is equal to ?
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
$\begin{aligned}
&2 \mathrm{HI}(\mathrm{g}) \rightarrow \mathrm{H}_2(\mathrm{g})+\mathrm{I}_2(\mathrm{g}) ; \Delta \mathrm{n}_{\mathrm{g}}=(1+1)-2=0 \\
&\therefore \Delta \mathrm{H}=\Delta \mathrm{U}+0
\end{aligned}$
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This is a previous-year question from JEE Main 2018, covering the Thermodynamics (C) chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.