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Solution: Use the half-reaction method to balance each redox

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

Solution for problem 68P 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 68P

Use the half-reaction method to balance each redox reaction occurring in acidic aqueous solution.

(a) IO3− (aq) + SO2(g) → I2(s) + SO42− (aq)

(b) Sn4+ (aq) + H2(g) → Sn2+(aq) + H+(aq)

(c) Cr2O72− (aq) + Br−(aq) → Cr3+ (aq) + Br2(aq)

Step-by-Step Solution:
Step 2 of 3

Solution 68P:

Srep 1:

(a) IO3− (aq) + SO2(g) → I2(s) + SO42− (aq)

The balanced chemical equation is

 2IO3− (aq) + 5SO2(g)+ 4H2O(l) → I2(s) + 5SO42− (aq)+8H+(aq)

Step 2:

(b) Sn4+ (aq) + H2(g) → Sn2+(aq) + H+(aq)

The balanced chemical equation is

 Sn4+ (aq) + H2(g) → Sn2+(aq) +2 H+(aq)

Step 3 of 3

Chapter 16, Problem 68P is Solved
Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

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Solution: Use the half-reaction method to balance each redox

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