Which of the following reaction will be NONSPONTANEOUS?A) Cr,07(aq) + 3H,02(aq) + 8H°(aq) → 2Cr³* (aq) + 302(aq) + 7H,0B) 2MNO4 (aq) + 2H,0 + 6H (aq) → SH50¬(aq) + 2Mn²"(aq)C) Mg(s) + Zn² (aq) → Mg²"(aq) + Zn(s)D) Br2(aq) + 21 (aq)→ Iz(aq)+ 2Br(ag)

We know that, If change in entropy is negative then reaction is non- spontaneous otherwise…

Which of the following reaction will be NONSPONTANEOUS? A) Cr,07 (aq) + 3H,O2{aq) + 8H (aq) → 2Cr³*(aq) + 30,(aq) + 7H2O B 2MNO4 (aq) + 2H,0 + 6H (aq) » SH,05(aq) + 2Mn (aq) C) Mg(s) + Zn" (aq) Mg2 (aq) + Zn(s) Br2(aq) + 21 (aq) → b(aq) + 2Br (ag)

Which of the following reaction will be NONSPONTANEOUS? A) Cr,07 (aq) + 3H,O2{aq) + 8H (aq) → 2Cr³*(aq) + 30,(aq) + 7H2O B 2MNO4 (aq) + 2H,0 + 6H (aq) » SH,05(aq) + 2Mn (aq) C) Mg(s) + Zn" (aq) Mg2 (aq) + Zn(s) Br2(aq) + 21 (aq) → b(aq) + 2Br (ag)

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter17: Electrochemistry And Its Applications

Section: Chapter Questions

Problem 66QRT

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