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Chemistry
Problem Which of the following reaction is expected never to be spontaneous :-
(1) 2 O 3 → 3 O 2 2\text{O}_3 \rightarrow 3\text{O}_2 2 O 3 → 3 O 2 Δ H = − ve , Δ S = + ve \Delta H = -\text{ve}, \Delta S = +\text{ve} Δ H = − ve , Δ S = + ve Mg + H 2 → MgH 2 \text{Mg} + \text{H}_2 \rightarrow \text{MgH}_2 Mg + H 2 → MgH 2 Δ H = − ve , Δ S = − ve \Delta H = -\text{ve}, \Delta S = -\text{ve} Δ H = − ve , Δ S = − ve Br 2 ( ℓ ) → Br 2 ( g ) \text{Br}_2(\ell) \rightarrow \text{Br}_2(\text{g}) Br 2 ( ℓ ) → Br 2 ( g ) Δ H = + ve , Δ S = + ve \Delta H = +\text{ve}, \Delta S = +\text{ve} Δ H = + ve , Δ S = + ve 2 Ag + 3 N 2 → 2 AgN 3 2\text{Ag} + 3\text{N}_2 \rightarrow 2\text{AgN}_3 2 Ag + 3 N 2 → 2 AgN 3 Δ H = + ve , Δ S = − ve \Delta H = +\text{ve}, \Delta S = -\text{ve} Δ H = + ve , Δ S = − ve Browse the problem library