Among liquid bromine and the interhalogen compound, the compound having higher boiling point should be identified. Also the reason for the difference in boiling point should be stated. Concept introduction: The set of repulsive and attractive force between molecules that result from the polarity between neighboring molecules is represented as intermolecular force. There are four types of intermolecular forces: Hydrogen bonding London dispersion force Ion – dipole force Dipole – Dipole force Ion – dipole force is a strong intermolecular force as it contains both ionic and polar bonds. Hydrogen bond: Hydrogen is bonded to strong electronegative atom like oxygen, nitrogen etc. Dipole – Dipole: This force takes place between two polar compounds. London dispersion force: This force is present in all compounds and is a weak force.

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Chapter 7, Problem 7.98QP

Interpretation Introduction

Interpretation: Among liquid bromine and the interhalogen compound, the compound having higher boiling point should be identified. Also the reason for the difference in boiling point should be stated.

Concept introduction: The set of repulsive and attractive force between molecules that result from the polarity between neighboring molecules is represented as intermolecular force. There are four types of intermolecular forces:

Hydrogen bonding

London dispersion force

Ion – dipole force

Dipole – Dipole force

Ion – dipole force is a strong intermolecular force as it contains both ionic and polar bonds.

Hydrogen bond: Hydrogen is bonded to strong electronegative atom like oxygen, nitrogen etc.

Dipole – Dipole: This force takes place between two polar compounds.

London dispersion force: This force is present in all compounds and is a weak force.

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