Explanation In ionic compounds, the cation and anion are identified first. 1. Symbol of cation comes first followed by anion. 2. Correct charge and formula of cation is written first followed by correct charge and formula of anion. 3. Cation and anion are combined in such a way so that the compound is electrically neutral. Combine the cation and anion in 1:1 ratio, if the charges of both cation and anion is same. If the charges are not same, use the charge of cation as the subscript of anion and vice-versa without the negative sign (crisscross method). 4. Charges of the ions are not written while writing the final formula of the compound. Now, Cobalt (III) chloride: Cation- Cobalt (III) ion - Co 3 + Anion- chloride ion − Cl − Since, the magnitude of charges is not same, subscript of Co 3 + would be 1 and of Cl − would be 3. Formula: CoCl 3 Lead (IV) oxide: Cation- Lead (IV) ion- Pb 4 + Anion-oxide ion- O 2 − In this case, the magnitude of charges are not same, and the charges are in ratio as Pb : O = 4 : 2 , which is equivalent to 2 : 1 Formula: PbO 2 Silver iodide: Cation- silver ion- Ag + Anion- iodide ion- I − In this case, the magnitude of charges are same, thus the cation and anion are in 1 : 1 ratio

Chemistry: An Introduction to General, Organic, and Biological Chemistry Plus Mastering Chemistry with Pearson eText -- Access Card Package (13th Edition)

13th Edition

ISBN: 9780134416793

Author: Karen C Timberlake

Publisher: PEARSON

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Question

Chapter 6.3, Problem 6.31PP

Interpretation Introduction

To determine:

The formula for the given ionic compounds.

Cobalt (III) chloride

Lead (IV) oxide

Silver iodide

Calcium nitride

Copper (I) phosphide

Chromium (II) chloride

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Chapter 6.3, Problem 6.30PP

Chapter 6.3, Problem 6.32PP

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Chapter 6 Solutions

Chemistry: An Introduction to General, Organic, and Biological Chemistry Plus Mastering Chemistry with Pearson eText -- Access Card Package (13th Edition)

Ch. 6.1 - State the number of electrons that be must be lost...Ch. 6.1 - State the number of electrons that must be gained...Ch. 6.1 - State the number of electrons lost or gained when...Ch. 6.1 - Prob. 6.4PP Ch. 6.1 - Write the symbols for the ions with the following...Ch. 6.1 - Write the symbols for the ions with the following...Ch. 6.1 - Prob. 6.7PP Ch. 6.1 - State the number of protons and electrons in each...Ch. 6.1 - Write the symbol for the ion of each of the...Ch. 6.1 - Write the symbol for the ion of each of the...

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The formula for the given ionic compounds. Cobalt (III) chloride Lead (IV) oxide Silver iodide Calcium nitride Copper (I) phosphide Chromium (II) chloride

To determine: The formula for the given ionic compounds. Cobalt (III) chloride Lead (IV) oxide Silver iodide Calcium nitride Copper (I) phosphide Chromium (II) chloride

Want to see the full answer?

Chapter 6 Solutions

To determine:

The formula for the given ionic compounds.

Cobalt (III) chloride

Lead (IV) oxide

Silver iodide

Calcium nitride

Copper (I) phosphide

Chromium (II) chloride