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Determine whether each redox reaction occurs spontaneously in the forward direction.(a)

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro ISBN: 9780321910295 34

Solution for problem 78P Chapter 16

Introductory Chemistry | 5th Edition

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Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro

Introductory Chemistry | 5th Edition

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Problem 78P

Determine whether each redox reaction occurs spontaneously in the forward direction.

(a) Ca2+ (aq) + Zn(s) → Ca(s) + Zn2+ (aq)

(b) 2 Ag+ (aq) + Ni(s) → 2 Ag(s) + Ni2+ (aq)

(c) Fe(s) + Mn2+ (aq) → Fe2+ (aq) + Mn(s)

(d) 2 Al(s) + 3 Pb2+ (aq) → 2 Al3+ (aq) + 3 Pb(s)

Step-by-Step Solution:

Solution 78P :

Step 1:

Here, we have to determine whether each redox reaction occurs spontaneously in the forward direction.

Any half-reaction in the activity series is spontaneous when paired with the reverse of any half-reaction below it and if it’s paired with the reverse of any of any half-reaction above it, then it is nonspontaneous reaction.

Step 2 of 5

Chapter 16, Problem 78P is Solved
Step 3 of 5

Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

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Determine whether each redox reaction occurs spontaneously in the forward direction.(a)