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Organic And Biological Chemistry

7th Edition
STOKER + 1 other
ISBN: 9781305081079

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Chapter
Section
BuyFindarrow_forward

Organic And Biological Chemistry

7th Edition
STOKER + 1 other
ISBN: 9781305081079
Textbook Problem

How many hydrogen bonds can form between an ethanal molecule and

  1. a. other ethanal molecules
  2. b. water molecules

(a)

Interpretation Introduction

Interpretation:

The maximum number of hydrogen bonds that can form between an ethanal molecule and other ethanal molecules has to be determined.

Concept Introduction:

Aldehyde is an organic compound that has carbonyl carbon bonded to a hydrogen atom as its functional group.  Carbonyl group is the nonpolar group.

Due to the lone pair of electrons that is present on the oxygen in carbonyl group, hydrogen bonding is possible with water molecules and not with aldehyde molecules.  Hydrogen bonds are weak force of attraction.

Explanation

Ethanal has a carbonyl group as its functional group.  Ethanal molecule contains a single oxygen atom with two lone pair of electrons on it.  These two lone pairs present on oxygen atom in carbonyl group cannot involve in hydrogen bonding with other ethanal molecules...

(b)

Interpretation Introduction

Interpretation:

The maximum number of hydrogen bonds that can form between an ethanal molecule and water molecules has to be determined.

Concept Introduction:

Aldehyde is an organic compound that has carbonyl carbon bonded to a hydrogen atom as its functional group.  Carbonyl group is the nonpolar group.

Due to the lone pair of electrons that is present on the oxygen in carbonyl group, hydrogen bonding is possible with water molecules and not with aldehyde molecules.  Hydrogen bonds are weak force of attraction.

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