Chapter 4: Q4.88P (page 181)

Balance each of the following redox reactions and classify it as a combination, decomposition, or displacement reaction:
$(a) H I (g) \to H_{2} (g) + I_{2} (g)$
$(b) Z n (s) + A g N O_{3} (a q) \to Z n {(N O_{3})}_{2} (a q) + A g (s)$
$(c) N O (g) + O_{2} (g) \to N_{2} O_{4} (l)$

Short Answer

Expert verified

The classifications of the given reactions are:

(a) Decomposition reaction

(b) Displacement reaction

Step by step solution

Write balanced reaction of equation (a)

The given reaction is:

$H I (g) \to H_{2} (g) + I_{2} (g)$

The balanced reaction is:

$2 H I (g) \to H_{2} (g) + I_{2} (g)$

The given redox reaction is a decomposition reaction.

In this reaction, HI decomposes and forms $H_{2}$ and $I_{2} .$

Write balanced reaction of equation (b)

The given reaction is:

$Z n (s) + A g N O_{3} (a q) \to Z n {(N O_{3})}_{2} (a q) + A g (s)$

The balanced reaction is:

$Z n (s) + 2 A g N O_{3} (a q) \to Z n {(N O_{3})}_{2} (a q) + 2 A g (s)$

The given redox reaction is a displacement reaction.

The zinc atom replaces silver atom from $A g N O_{3}$ and forms $Z n {(N O_{3})}_{2} .$

Write balanced reaction of equation (c)

The given reaction is:

$N O (g) + O_{2} (g) \to N_{2} O_{4} (l)$

The balanced reaction is:

$2 N O (g) + O_{2} (g) \to N_{2} O_{4} (l)$

The given redox reaction is a combination reaction.

In this reaction, NO andO₂combines and formsN₂O_4.

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Balance each of the following redox reactions and classify it as a combination, decomposition, or displacement reaction:
$(a) H I (g) \to H_{2} (g) + I_{2} (g)$
$(b) Z n (s) + A g N O_{3} (a q) \to Z n {(N O_{3})}_{2} (a q) + A g (s)$
$(c) N O (g) + O_{2} (g) \to N_{2} O_{4} (l)$

Short Answer

Step by step solution

Write balanced reaction of equation (a)

Write balanced reaction of equation (b)

Write balanced reaction of equation (c)

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Balance each of the following redox reactions and classify it as a combination, decomposition, or displacement reaction:aHIg→H2g+I2gbZns+AgNO3aq→ZnNO32aq+AgscNOg+O2g→N2O4l

Short Answer

Step by step solution

Write balanced reaction of equation (a)

Write balanced reaction of equation (b)

Write balanced reaction of equation (c)

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Chemistry Textbooks

Chemical Reactions

Chemical Analysis

Inorganic Chemistry

Nuclear Chemistry

Physical Chemistry

Organic Chemistry

Study anywhere. Anytime. Across all devices.

Balance each of the following redox reactions and classify it as a combination, decomposition, or displacement reaction:
$(a) H I (g) \to H_{2} (g) + I_{2} (g)$
$(b) Z n (s) + A g N O_{3} (a q) \to Z n {(N O_{3})}_{2} (a q) + A g (s)$
$(c) N O (g) + O_{2} (g) \to N_{2} O_{4} (l)$