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Balance each redox reaction using the half-reaction method.(a) Zn(s) + Sn2+ (aq) ? Zn2+

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

Solution for problem 62P 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 62P

Problem 62P

Balance each redox reaction using the half-reaction method.

(a) Zn(s) + Sn2+ (aq) → Zn2+ (aq) + Sn(s)

(b) Mg(s) + Cr3+ (aq) → Mg2+ (aq) + Cr(s)

(c) Al(s) + Ag+ (aq) → Al3+ (aq) + Ag(s)

Step-by-Step Solution:

Problem 62P :

Step 1:

Here, we have to balance each redox reaction using the half-reaction method :

Half reaction is either the oxidation or the reduction reaction of a redox reaction.

Steps to balance redox reaction using the half reaction method :

  1. First, we assign oxidation states to all atoms and then identify the substances that are being oxidized and reduced.
  2. Then we separate the overall reaction into two half-reactions - oxidation and reduction.
  3. Next, we balance each half-reaction with respect to mass in the following order :
  •  Balance all elements other than H and O.
  •  Balance O by adding H2O.
  •  Balance H by adding H+.
  1. Next, we balance each half-reaction with respect to charge by adding electrons to the right side of the oxidation half-reaction and the left side of the reduction half-reaction, making the sum of the charges on both sides of each equation equal.
  2. Next, we equal the number of electrons in both half-reactions by multiplying one or both half-reactions by a small whole number.
  3. Then we add the two half-reactions together, canceling electrons and other species as necessary.
  4. Finally we verify that the reaction is balanced with respect to both mass and charge.

Step 2 of 6

Chapter 16, Problem 62P is Solved
Step 3 of 6

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

The full step-by-step solution to problem: 62P from chapter: 16 was answered by , our top Chemistry solution expert on 05/06/17, 06:45PM. This full solution covers the following key subjects: reaction, balance, method, half, redox. This expansive textbook survival guide covers 19 chapters, and 2046 solutions. The answer to “Balance each redox reaction using the half-reaction method.(a) Zn(s) + Sn2+ (aq) ? Zn2+ (aq) + Sn(s)(b) Mg(s) + Cr3+ (aq) ? Mg2+ (aq) + Cr(s)(c) Al(s) + Ag+ (aq) ? Al3+ (aq) + Ag(s)” is broken down into a number of easy to follow steps, and 35 words. This textbook survival guide was created for the textbook: Introductory Chemistry, edition: 5. Since the solution to 62P from 16 chapter was answered, more than 419 students have viewed the full step-by-step answer. Introductory Chemistry was written by and is associated to the ISBN: 9780321910295.

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Balance each redox reaction using the half-reaction method.(a) Zn(s) + Sn2+ (aq) ? Zn2+