Holooly Plus Logo
Holooly Plus Logo

Question 16.15: Predicting Spontaneous Redox Reactions Predict whether each ......

Predicting Spontaneous Redox Reactions

Predict whether each redox reaction is spontaneous.

(a) \mathrm{Cr}(s)\,+\,3\,\mathrm{Ag}^{+}(a q)\,\longrightarrow\,\mathrm{Cr}^{3\,+}(a q)\,+\,3\,\mathrm{Ag}(s)

(b) \mathrm{Mn}^{2^{+}}(a q)+{\mathrm{F e}}(s)\longrightarrow\mathrm{Mn}(s)+\mathrm{Fe}^{2^{+}}(aq)

Step-by-Step
The 'Blue Check Mark' means that this solution was answered by an expert.
Learn more on how do we answer questions.
Report Answer

(a) spontaneous

(b) nonspontaneous

Related Answered Questions

Question: 16.8

Balancing Redox Reactions Occurring in Basic Solution Balance the redox reaction occurring in basic solution. CN^- (aq) + MnO4^- (aq) → CNO^- (aq) + MnO2(s) (basic solution) ...

Verified Answer:

1. Follow the half-reaction method for balancing r...
Question: 16.12

Identifying Oxidizing Agents and Reducing Agents Identify the oxidizing and reducing agents in each redox reaction. (a) Sn(s) + O2( g) → SnO2(s) (b) 2 Na(s) + F2( g) → 2 NaF(s) (c) Mg(s) + Cu^2+ (aq) → Mg^2+ (aq) + Cu(s) ...

Verified Answer:

(a) Sn is the reducing agent; \mathrm{O}_{2...
Question: 16.10

Predicting Whether a Metal Will Dissolve in Acid Does Cr dissolve in hydrochloric acid? ...

Verified Answer:

Yes. Since Cr is above \mathrm{H}_{2}[/late...
Question: 16.9

Predicting Spontaneous Redox Reactions Determine whether each redox reaction is spontaneous. (a) Fe(s) + Mg^2+ (aq) → Fe^2+ (aq) + Mg(s) (b) Fe(s) + Pb^2+ (aq) → Fe^2+ (aq) + Pb(s) ...

Verified Answer:

(a) \mathrm{Fe}(s)+\mathrm{Mg}^{2+}(a q)\lo...
Question: 16.7

Balancing Redox Reactions Balance the following redox reaction occurring in acidic solution. I^- (aq) + Cr2O7^2- (aq) → Cr^3+ (aq) + I2(s) ...

Verified Answer:

1. Follow the half-reaction method for balancing r...
Question: 16.6

Balancing Redox Equations Using the Half-Reaction Method Balance the redox reaction. ...

Verified Answer:

1. Assign oxidation states to all atoms and identi...
Question: 16.5

Balancing Redox Equations Using the Half-Reaction Method Balance the redox reaction. ...

Verified Answer:

1. Assign oxidation states to all atoms and identi...
Question: 16.1

Identifying Oxidation and Reduction Identify the substance being oxidized and the substance being reduced in each reaction. (a) 2 Mg(s) + O2( g) → 2 MgO(s) (b) Fe(s) + Cl2( g) → FeCl2(s) (c) Zn(s) + Fe^2+ (aq) → Zn2^+ (aq) + Fe(s) ...

Verified Answer:

(a) Magnesium is gaining oxygen and losing electro...
Question: 16.2

Identifying Oxidizing and Reducing Agents Identify the oxidizing agent and the reducing agent in each reaction. (a) 2 Mg(s) + O2( g) → 2 MgO(s) (b) Fe(s) + Cl2( g) → FeCl2(s) (c) Zn(s) + Fe^2+ (aq) → Zn^2+ (aq) + Fe(s) ...

Verified Answer:

In the previous example, we identified the substan...
Question: 16.4

Using Oxidation States to Identify Oxidation and Reduction Use oxidation states to identify the element that is being oxidized and the element that is being reduced in the redox reaction. Ca(s) + 2 H2O(l) → Ca(OH)2(aq) + H2( g) ...

Verified Answer:

Assign an oxidation state to each atom in the reac...