Among the following processes, the process in which it is necessary to break the covalent bonds as opposed to overcome intermolecular forces should be determined. (a) Melting mothballs made of naphthalene. (b) Dissolving HBr gas in water to form hydrobromic acid. (c) Vaporizing ethyl alcohol C 2 H 5 OH. (d) Changing ozone O 3 to oxygen gas O 2 . Concept introduction: Intermolecular forces are the forces which are present between two same or different types of molecules. These are responsible for the state of any substance. Covalent bonds are the bonds formed by sharing of one or more than one electron.

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Predict the major products of this organic reaction: HBr (1 equiv) cold ? Some important notes: • Draw the major product, or products, of this reaction in the drawing area below. • You can draw the products in any arrangement you like. • Pay careful attention to the reaction conditions, and only include the major products. • Be sure to use wedge and dash bonds when necessary, for example to distinguish between major products that are enantiomers. • Note that there is only 1 equivalent of HBr reactant, so you need not consider the case of multiple additions. Erase something Explanation Check 2025 McGraw Hill LLC. All Rights Reserved. Ter

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Chapter 9, Problem 33QAP

Interpretation Introduction

Interpretation:

Among the following processes, the process in which it is necessary to break the covalent bonds as opposed to overcome intermolecular forces should be determined.

(a) Melting mothballs made of naphthalene.

(b) Dissolving HBr gas in water to form hydrobromic acid.

(c) Vaporizing ethyl alcohol C₂H₅OH.

(d) Changing ozone O₃to oxygen gas O₂.

Concept introduction:

Intermolecular forces are the forces which are present between two same or different types of molecules. These are responsible for the state of any substance.

Covalent bonds are the bonds formed by sharing of one or more than one electron.

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Predict the major products of this organic reaction: HBr (1 equiv) cold ? Some important notes: • Draw the major product, or products, of this reaction in the drawing area below. • You can draw the products in any arrangement you like. • Pay careful attention to the reaction conditions, and only include the major products. • Be sure to use wedge and dash bonds when necessary, for example to distinguish between major products that are enantiomers. • Note that there is only 1 equivalent of HBr reactant, so you need not consider the case of multiple additions. Erase something Explanation Check 2025 McGraw Hill LLC. All Rights Reserved. Ter

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