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Chemistry: An Atoms First Approach

2nd Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781305079243

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BuyFindarrow_forward

Chemistry: An Atoms First Approach

2nd Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781305079243
Chapter 17, Problem 60E
Textbook Problem
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Answer the following questions using data from Table 17-1 (all under standard conditions).

a. Is H2(g) capable of reducing Ni2+(aq)?

b. Is Fe2+(aq) capable of reducing VO2+(aq)?

c. Is Fe2+(aq) capable of reducing Cr3+ (aq) to Cr2+ (aq)?

(a)

Interpretation Introduction

Interpretation:

Various questions on the oxidizing and reducing tendency of species based on their reduction potential are to be answered.

Concept introduction:

The species with higher reduction potential undergoes reduction at the cathode while the species with lower reduction potential undergoes oxidation at the anode. The change in Gibbs free energy is the useful amount work that can be done and negative value of ΔG° shows that the reaction is spontaneous in nature.

To determine: The ability of H2(g) to oxidize Cu(s) to Ni2+(aq)

Explanation of Solution

Due to negative value of E°cell it is not possible for H2(g) to reduce Ni2+(aq) .

The reaction taking place at cathode is,

Ni2+(aq)+2eNi(s)E°red=0.23V

The reaction taking place at anode is,

H2(g)2H+(aq)+2eE°ox=0.00V

The overall cell potential is calculated as,

E°cell=E°ox+E°red=0

(b)

Interpretation Introduction

Interpretation:

Various questions on the oxidizing and reducing tendency of species based on their reduction potential are to be answered.

Concept introduction:

The species with higher reduction potential undergoes reduction at the cathode while the species with lower reduction potential undergoes oxidation at the anode. The change in Gibbs free energy is the useful amount work that can be done and negative value of ΔG° shows that the reaction is spontaneous in nature.

To determine: The ability of Fe2+(aq) to reduce VO2+(aq) .

(c)

Interpretation Introduction

Interpretation:

Various questions on the oxidizing and reducing tendency of species based on their reduction potential are to be answered.

Concept introduction:

The species with higher reduction potential undergoes reduction at the cathode while the species with lower reduction potential undergoes oxidation at the anode. The change in Gibbs free energy is the useful amount work that can be done and negative value of ΔG° shows that the reaction is spontaneous in nature.

To determine: The ability of Fe2+(aq) to reduce Cr3+(aq) to Cr2+(aq) .

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Chapter 17 Solutions

Chemistry: An Atoms First Approach
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Ch. 17 - In making a specific galvanic cell, explain how...Ch. 17 - You want to plate out nickel metal from a nickel...Ch. 17 - A copper penny can be dissolved in nitric acid but...Ch. 17 - Sketch a cell that forms iron metal from iron(II)...Ch. 17 - Which of the following is the best reducing agent:...Ch. 17 - You are told that metal A is a better reducing...Ch. 17 - Explain the following relationships: G and w, cell...Ch. 17 - Explain why cell potentials are not multiplied by...Ch. 17 - What is the difference between and ? 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