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Chemistry · 2026 · 4 marks

NEET 2026 · 3 May · Code 11 · Q48

Consider the following reaction: 2 A( g)+B( g) → 2 D( g) Δ U^ =-10 kJ mol^-1 and Δ S^ =-44 J K^-1 at 298 K. Identify the correct option with Δ G^ for…

Consider the following reaction : $\displaystyle 2 \mathrm{~A}(\mathrm{~g})+\mathrm{B}(\mathrm{~g}) \rightarrow 2 \mathrm{D}(\mathrm{~g})$ $\displaystyle \Delta \mathrm{U}^{\ominus}=-10 \mathrm{~kJ} \mathrm{~mol}^{-1}$ and $\displaystyle \Delta \mathrm{S}^{\ominus}=-44 \mathrm{~J} \mathrm{~K}^{-1}$ at $\displaystyle 298$ K. Identify the correct option with $\displaystyle \Delta \mathrm{G}^{\ominus}$ for the reaction and spontaneity of the reaction at $\displaystyle 298$ K. (Given : $\displaystyle \mathrm{R}=8.31 \mathrm{~J} \mathrm{~mol}^{-1} \mathrm{~K}^{-1}$ )

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NEET (UG) 2026 Chemistry question, with the answer from NTA’s provisional answer key. Where our answers come from.