6.2.3: Amides

Question 1

What are amides?

Answer 1

-A class of compounds with an acyl group (RC(O)-) attached to an amine group (-NH2)

Question 2

Organic primary amides have the general formula:

Answer 2

RC(O)NH2

Where R is a hydrocarbon chain or a hydrogen atom.

Question 3

How are amides related to carboxylic acids?

Answer 3

The hydroxyl group has been substituted for an amine group.

Question 4

How are amides related to ammonia?

Answer 4

One or more hydrogen atoms have been substituted for an acyl group.

Question 5

What is a primary amide?

Answer 5

-The nitrogen atom has two hydrogen atoms and one acyl group attached.

Question 6

What is a secondary amide?

Answer 6

-The nitrogen atom has one hydrogen atom, one acyl group and one alkyl group attached.

Question 7

What is a tertiary amide?

Answer 7

-The nitrogen atom has no hydrogen atoms attached.

Question 8

What are polyamides?

Answer 8

-A type of condensation polymer; a very long-chain molecule with a repeating pattern of atoms.

Question 9

How are polyamides made?

Answer 9

-They are made from a reaction between a carboxylic acid an an amine and contain a number of secondary amide groups.