World of Chemistry
World of Chemistry
7th Edition
ISBN: 9780618562763
Author: Steven S. Zumdahl
Publisher: Houghton Mifflin College Div
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Concept explainers

Electron Affinity
When an element undergoes a chemical reaction, it either gains energy or loses energy. This gain or loss of energy is due to the phenomena that occur at atomic level. During reaction, atoms either gain electrons from other atoms or lose electrons to othe…
P-Block Elements
Elements which are present on the right side of the periodic table are called p-block elements. In addition to the noble gases, they include the families of boron, mercury, nitrogen, oxygen and fluorine. These elements have diverse real-life implementati…
Metals and Non-metals
The periodic table is composed of metals, semi-metals and nonmetal elements. The physical and chemical properties of metals and nonmetals differ from each other. The study of metals and nonmetals will help one to understand the appropriate application of…
Question
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Chapter 4, Problem 20A

(a)

Interpretation Introduction

Interpretation: Name of the given polyatomic anions is to be given.

Concept Introduction: A polyatomic ion is a charged specie consisting of more than one atom. The given anion is an oxoanion. An oxoanion is specie consisting of a metal or a nonmetal bonded to oxygen atoms. When a metal/nonmetal forms two oxoanions , the one with more oxygen atoms ends in ‘ate’ and the one with less oxygen atoms ends in ‘ite’.

(a)

Expert Solution
Check Mark

Answer to Problem 20A

The name of polyatomic anion is permanganate ion.

Explanation of Solution

It is an oxoanion of Manganese. Manganese forms two oxoanions. Both have same number of oxygens. So the name ends in ‘ate’.

(b)

Interpretation Introduction

Interpretation: Name of the given polyatomic anions is to be given.

Concept Introduction: A polyatomic anion consists of two or more than one atom. Peroxides are a class of compounds having an R-O-O-R bond where R is an alkyl group.

(b)

Expert Solution
Check Mark

Answer to Problem 20A

The name of polyatomic anion is peroxide ion.

Explanation of Solution

After losing the two R groups, R-O-O-R becomes O22- . Thus the name is peroxide ion.

(c)

Interpretation Introduction

Interpretation: Name of the given polyatomic anions is to be given.

Concept Introduction: A polyatomic ion is charged specie consisting of more than atom. The given anion is an oxoanion.An oxoanion is a specie consisting of a metal or a nonmetal bonded to oxygen atoms. When a metal/nonmetal forms two oxoanions, the one with more oxygen atoms ends in ‘ate’ and the one with less oxygen atoms ends in ‘ite’.

(c)

Expert Solution
Check Mark

Answer to Problem 20A

The name of polyatomic anion is Chromate ion.

Explanation of Solution

It is an oxoanion of Chromium. Chromium forms two oxoanions. Both have same number of oxygen atoms per Chromium atom. So the name ends in ‘ate’.

(d)

Interpretation Introduction

Interpretation: Name of the given polyatomic anions is to be given.

Concept Introduction: A polyatomic ion is charged specie consisting of more than atom. The given anion is an oxoanion.An oxoanion is specie consisting of a metal or a nonmetal bonded to oxygen atoms. When a metal/nonmetal forms two oxoanions, the one with more oxygen atoms ends in ‘ate’ and the one with less oxygen atoms ends in ‘ite’.

(d)

Expert Solution
Check Mark

Answer to Problem 20A

The name of polyatomic anion is Dichromate ion.

Explanation of Solution

It is an oxoanion of Chromium. Chromium forms two oxoanions. Both have same number of oxygen atoms per Chromium atom. So the name ends in ‘ate’.

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Chapter 4, Problem 19A
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Chapter 4, Problem 21A

Chapter 4 Solutions

World of Chemistry

Ch. 4.1 - Prob. 1RQCh. 4.1 - Prob. 2RQCh. 4.1 - Prob. 3RQCh. 4.1 - Prob. 4RQCh. 4.1 - Prob. 5RQCh. 4.1 - Prob. 6RQCh. 4.2 - Prob. 1RQCh. 4.2 - Prob. 2RQCh. 4.2 - Prob. 3RQCh. 4.2 - Prob. 4RQ
Ch. 4.2 - Prob. 5RQCh. 4.2 - Prob. 6RQCh. 4 - Prob. 1ACh. 4 - Prob. 2ACh. 4 - Prob. 3ACh. 4 - Prob. 4ACh. 4 - Prob. 5ACh. 4 - Prob. 6ACh. 4 - Prob. 7ACh. 4 - Prob. 8ACh. 4 - Prob. 9ACh. 4 - Prob. 10ACh. 4 - Prob. 11ACh. 4 - Prob. 12ACh. 4 - Prob. 13ACh. 4 - Prob. 14ACh. 4 - Prob. 15ACh. 4 - Prob. 16ACh. 4 - Prob. 17ACh. 4 - Prob. 18ACh. 4 - Prob. 19ACh. 4 - Prob. 20ACh. 4 - Prob. 21ACh. 4 - Prob. 22ACh. 4 - Prob. 23ACh. 4 - Prob. 24ACh. 4 - Prob. 25ACh. 4 - Prob. 26ACh. 4 - Prob. 27ACh. 4 - Prob. 28ACh. 4 - Prob. 29ACh. 4 - Prob. 30ACh. 4 - Prob. 31ACh. 4 - Prob. 32ACh. 4 - Prob. 33ACh. 4 - Prob. 34ACh. 4 - Prob. 35ACh. 4 - Prob. 36ACh. 4 - Prob. 37ACh. 4 - Prob. 38ACh. 4 - Prob. 39ACh. 4 - Prob. 40ACh. 4 - Prob. 41ACh. 4 - Prob. 42ACh. 4 - Prob. 43ACh. 4 - Prob. 44ACh. 4 - Prob. 45ACh. 4 - Prob. 46ACh. 4 - Prob. 47ACh. 4 - Prob. 48ACh. 4 - Prob. 49ACh. 4 - Prob. 50ACh. 4 - Prob. 51ACh. 4 - Prob. 1STPCh. 4 - Prob. 2STPCh. 4 - Prob. 3STPCh. 4 - Prob. 4STPCh. 4 - Prob. 5STPCh. 4 - Prob. 6STPCh. 4 - Prob. 7STPCh. 4 - Prob. 8STPCh. 4 - Prob. 9STPCh. 4 - Prob. 10STPCh. 4 - Prob. 11STP
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