The strength of Hydrogen bonding associated by O-H and N-H bonds has to be compared. Concept Introduction: Physical properties of ethers: Ethers are polar molecules in which Oxygen bears a partial negative charge and each attached to carbon bears a partial positive charge. Only weak dipole-dipole interactions exist between ether molecules in the liquid form. As ethers do not form hydrogen bonding are less soluble in water. Due to the presence of lone pairs on oxygen atom can act as hydrogen bond acceptors that makes them more water-soluble than hydrocarbons of comparable molecular weight. Hydrogen bonding: The attractive interactions between hydrogen atom bonded to an atom of high electronegativity (most commonly O or N) and a lone pair of electrons on another atom of electrons on another atom of high electronegativity (again, most commonly O or N). Boiling point: The temperature at which a liquid boils and turns into gas phase is known as boiling point.

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Chapter 10, Problem 10.48P

(a)

Interpretation Introduction

Interpretation:

The strength of Hydrogen bonding associated by O-H and N-H bonds has to be compared.

Concept Introduction:

Physical properties of ethers: Ethers are polar molecules in which Oxygen bears a partial negative charge and each attached to carbon bears a partial positive charge. Only weak dipole-dipole interactions exist between ether molecules in the liquid form. As ethers do not form hydrogen bonding are less soluble in water. Due to the presence of lone pairs on oxygen atom can act as hydrogen bond acceptors that makes them more water-soluble than hydrocarbons of comparable molecular weight.

Hydrogen bonding: The attractive interactions between hydrogen atom bonded to an atom of high electronegativity (most commonly O or N) and a lone pair of electrons on another atom of electrons on another atom of high electronegativity (again, most commonly O or N).

Boiling point: The temperature at which a liquid boils and turns into gas phase is known as boiling point.

(b)

Interpretation Introduction

Interpretation:

The boiling pointof the compounds associated by O-H and N-H bonds has to be compared.

Concept Introduction:

Physical properties of ethers: Ethers are polar molecules in which Oxygen bears a partial negative charge and each attached to carbon bears a partial positive charge. Only weak dipole-dipole interactions exist between ether molecules in the liquid form. As ethers do not form hydrogen bonding are less soluble in water. Due to the presence of lone pairs on oxygen atom can act as hydrogen bond acceptors that makes them more water-soluble than hydrocarbons of comparable molecular weight.

Hydrogen bonding: The attractive interactions between hydrogen atom bonded to an atom of high electronegativity (most commonly O or N) and a lone pair of electrons on another atom of electrons on another atom of high electronegativity (again, most commonly O or N).

Boiling point: The temperature at which a liquid boils and turns into gas phase is known as boiling point.

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