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NEET UG CHEMISTRY MCQ: THERMODYNAMICS

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For the reaction, N2(g)+3H2(g)→2NH3(g),{\mathrm{N}_2}\left( \mathrm{g} \right) + 3{\mathrm{H}_2}\left( \mathrm{g} \right) \to 2\mathrm{N}{\mathrm{H}_3}\left( \mathrm{g} \right), which is true?
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Correct option: B
∆H< ∆U
Option B, ∆H< ∆U, is correct because for the given reaction, the number of moles of gas decreases, leading to a negative value for Δng\Delta n_g, and thus ∆H< ∆U.

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