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12. Which of the following reaction is expected never to be spontaneous :- Options: 1. 2O3(g) → 3O2(g) Δ H = ve, Δ S = +ve 2. Mg(s) + H2(g) → MgH2 Δ H = ve, Δ S = ve 3. Br2() → Br2(g) Δ H = +ve, Δ S = +ve 4. 2Ag() + 3N2(g) → 2AgN3 Δ H = +ve, Δ S = ve |
| Answer» 12. Which of the following reaction is expected never to be spontaneous :- Options: 1. 2O3(g) → 3O2(g) Δ H = ve, Δ S = +ve 2. Mg(s) + H2(g) → MgH2 Δ H = ve, Δ S = ve 3. Br2() → Br2(g) Δ H = +ve, Δ S = +ve 4. 2Ag() + 3N2(g) → 2AgN3 Δ H = +ve, Δ S = ve | |