4.1.1 Basic Concepts Of Organic Chemistry

Question 1

Homologous series definition.

Answer 1

Series of compounds with the same functional group and similar chemical properties, each successive member differs by a -CH2- group.

Question 2

What’s the general formula for an alkyl group?

Answer 2

CnH2n+1

Question 3

What does aliphatic mean?

Answer 3

Carbon atoms joined in straight, branched chains or non-aromatic rings.

Question 4

What does alicyclic mean?

Answer 4

Carbon atoms joined in non-aromatic rings.

Question 5

What does aromatic mean?

Answer 5

Compound containing a benzene ring.

Question 6

What is a saturated compound?

Answer 6

Compound containing only single carbon-carbon bonds.

Question 7

What is an unsaturated compound?

Answer 7

A compound containing carbon-carbon double bonds.

Question 8

Structural isomerism definition.

Answer 8

Compounds with the same molecular formula but different structural formulae.

Question 9

What is homolytic fission?

Answer 9

When a covalent bond breaks and each of the bonded atoms takes one of the shared pair of electrons from the bond.
Forms 2 radicals.

Question 10

What is heterolytic fission?

Answer 10

When a covalent bond breaks and one of the bonded atoms takes both of the electrons from the bond.
One negative and one positive ion formed.

Question 11

Definition of a radical.

Answer 11

A species with an unpaired electron.

Question 12

What do curly arrows represent?

Answer 12

Movement of an electron pair.