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Chemistry: Principles and Reactions

8th Edition
William L. Masterton + 1 other
ISBN: 9781305079373

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Chapter
Section
BuyFindarrow_forward

Chemistry: Principles and Reactions

8th Edition
William L. Masterton + 1 other
ISBN: 9781305079373
Textbook Problem

Write net ionic equations to explain the acidity or basicity of the various salts listed in Question 79.

Interpretation Introduction

(a)

Interpretation:

The net ionic equation to show basicity of K2CO3 salt in water needs to be determined.

Concept introduction:

A salt is acidic if it is made of strong acid and weak base. It is basic, if it is formed from a strong base and weak acid. If a strong acid and strong base react to from a salt, it will be neutral in nature.

The net ionic equation is an equation in which the same ions in both sides of the reaction arrow gets cancelled out they are known as spectator ions.

Explanation

The given salt is K2CO3. It is formed by the reaction of KOH and H2CO3. Here, H2CO3 is a weak acid and KOH is a strong base thus, the salt is basic in nature.

The reaction in water can be represented as follows:

K2CO3+2H2OH2CO3+2KOH

The ionic equation can be written as follows:

2K++

Interpretation Introduction

(b)

Interpretation:

The net ionic equation for acidic salt NH4F in water needs to be determined.

Concept introduction:

A salt is acidic if it is made of strong acid and weak base. It is basic, if it is formed from a strong base and weak acid. If a strong acid and strong base react to from a salt, it will be neutral in nature.

The net ionic equation is an equation in which the same ions in both sides of the reaction arrow gets cancelled out they are known as spectator ions.

Interpretation Introduction

(c)

Interpretation:

The net ionic equation for basicsalt LiH2PO4 in water needs to be determined.

Concept introduction:

A salt is acidic if it is made of strong acid and weak base. It is basic, if it is formed from a strong base and weak acid. If a strong acid and strong base react to from a salt, it will be neutral in nature.

The net ionic equation is an equation in which the same ions in both sides of the reaction arrow gets cancelled out they are known as spectator ions.

Interpretation Introduction

(d)

Interpretation:

The net ionic equation for basic salt NaNO2 in water needs to be determined.

Concept introduction:

A salt is acidic if it is made of strong acid and weak base. It is basic, if it is formed from a strong base and weak acid. If a strong acid and strong base react to from a salt, it will be neutral in nature.

The net ionic equation is an equation in which the same ions in both sides of the reaction arrow gets cancelled out they are known as spectator ions.

Interpretation Introduction

(e)

Interpretation:

The net ionic equation for the neutral salt Ba(ClO4)2 in water needs to be determined.

Concept introduction:

A salt is acidic if it is made of strong acid and weak base. It is basic, if it is formed from a strong base and weak acid. If a strong acid and strong base react to from a salt, it will be neutral in nature.

The net ionic equation is an equation in which the same ions in both sides of the reaction arrow gets cancelled out they are known as spectator ions.

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