Homologus Series

Question 1

Hydrocarbons are made from which two elements

Answer 1

Hydrogen and carbon

Question 2

Saturated

Answer 2

Hydrocarbons with only single carbon to carbon bonds

Question 3

Unsaturated

Answer 3

Hydrocarbons with at least one double bond between carbon atoms

Question 4

Alkanes structural formula

Answer 4

CnHnx2+2

Question 5

Cycloalkanes structural formula

Answer 5

CnH2xn

Question 6

Alkanes structural formula

Answer 6

C2H2xn

Question 7

First four prefixes for hydrocarbons

Answer 7

Meth
Eth
Prop
But

Question 8

How two name a alkane with 4 carbons and and a branch with one on it

Answer 8

2-mythylpropane

CH3CH(CH3)CH3

Question 9

Hydrocarbons is a family because

Answer 9

It has the same general formula and similar chemical properties

Question 10

Alkanes facts

Answer 10

Insoluble in water

Used as fuels

Question 11

Isomers

Answer 11

Have the same molecular formula but different structural formula such as cyclopropane and propene

Question 12

Products of complete combustion

Answer 12

Water + carbon dioxide

Question 13

Products of incomplete combustion

Answer 13

Carbon (soot)
Carbon monoxide 
Carbon dioxide 
Sulphur dioxide in sulphur fuels 
Nitrogen oxide in car spark plug

Question 14

Cycloalkanes facts

Answer 14

Saturated
Closed Ring formation
Insoluble in water

Question 15

Alkenes facts

Answer 15

Unsaturated
Used to make polymers and alcohols
Insoluble in water
Contain a c=c double bond functional group

Question 16

Cycloalkanes uses

Answer 16

Solvents
Fuels
Nylon

Question 17

Naming alkenes

Answer 17

Same as alkanes just show where the double bond is

But-2-ene