4.1.1 Basic concepts of organic chem (intro into it)

Question 1

what is a hydrocarbon

Answer 1

A molecule which only C and H

Question 2

3 reasons why they (HC) form a large no. of compounds

Answer 2

1. C can form 1,2 or 3 c-c bonds
2. C chains can vary in sizes
3. C can bond to other atoms too not only C or H but also O, N and halogens

Question 3

when is a HC saturated and unsaturated

Answer 3

saturated if onle 1 c-c bond

unsaturated if 2 or more bonds between c-c

Question 4

what is a homologous series

Answer 4

a series of compounds which have similar chemical properties and differ by -CH2

Question 5

what is a functional group

Answer 5

• can be part of a organic molecule and is responsible for its chemical property
• can include O, N or halogens resulting in a alchol or amine forming