It is to be shown that the given structure conforms to the formula of TiO 2 . The oxidation states of each element in the given reactions are to be assigned. The elements that are reduced and the elements that are oxidized in the given reactions are to be identified. The oxidizing agent and reducing agent in these reactions are to be identified. Concept introduction: The substance that gains electron (oxidation number increases) is known as oxidizing agent, whereas the substance that loses electron (oxidation number decreases) is known as reducing agent. Loss of Oxygen atom is known as reduction, whereas gain of Oxygen is known as oxidation.

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Chapter 20, Problem 28E

(a)

Interpretation Introduction

Interpretation: It is to be shown that the given structure conforms to the formula of TiO2 . The oxidation states of each element in the given reactions are to be assigned. The elements that are reduced and the elements that are oxidized in the given reactions are to be identified. The oxidizing agent and reducing agent in these reactions are to be identified.

Concept introduction: The substance that gains electron (oxidation number increases) is known as oxidizing agent, whereas the substance that loses electron (oxidation number decreases) is known as reducing agent.

Loss of Oxygen atom is known as reduction, whereas gain of Oxygen is known as oxidation.

(b)

Interpretation Introduction

Interpretation: It is to be shown that the given structure conforms to the formula of TiO2 . The oxidation states of each element in the given reactions are to be assigned. The elements that are reduced and the elements that are oxidized in the given reactions are to be identified. The oxidizing agent and reducing agent in these reactions are to be identified.

Concept introduction: The substance that gains electron (oxidation number increases) is known as oxidizing agent, whereas the substance that loses electron (oxidation number decreases) is known as reducing agent.

Loss of Oxygen atom is known as reduction, whereas gain of Oxygen is known as oxidation.

To determine: The oxidation states of each element in the given reactions; the elements that are reduced and the elements that are oxidized in the given reaction.; the oxidizing agent and reducing agent in these reactions.

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