Amides – Solved Examples
Example 1: Which compound has the higher boiling point—pentanamide (CH3CH2CH2CH2CONH2) or propyl acetate (CH3COOCH2CH2CH3)? Explain.
Solution:
Pentanamide because the nitrogen-to-hydrogen (N–H) and the carbon-to-oxygen double (C=O) bonds can engage in hydrogen bonding; propyl acetate cannot engage in hydrogen bonding.
Example 2: What are the products of the hydrolysis of an amide?
Solution:
A carboxylic acid and ammonia or an amine.
Amides
Amide is an organic compound. It is also known as an organic amide or carboxamide. It contains a carbonyl functional group that is bonded with a nitrogen atom. The simplest amide is a derivative of ammonia NH3, here one hydrogen atom is replaced by an acyl group.
In this article, we will define Amide, its types, structures, along with its properties.
Amide Functional Group |
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Nomenclature |
Amides are named by replacing the -oic acid or -ic acid ending of the parent carboxylic acid with -amide. For example, ethanoic acid becomes ethanamide |
Nature |
Neutral or very weak acids |
Appearance |
White crystalline solid |
Odor |
Ethanamide, a simple amide, is said to smell like mice. |
Density |
Generally, they are denser than water. |
Melting Point |
Amides have high melting points.
|
Boiling Point |
Amides have high boiling points due to the presence of strong hydrogen bonds.
|
Solubility |
Soluble in Water |
Table of Content
- What is Amide?
- Amide Structure
- Classifications of Amides
- Amide Bond
- Synthesis of Amide
- Amide Vs. Amine