Organic Chemistry: Fuels

Question 1

Name the three fuels

Answer 1

coal, natural gas, petroleum

Question 2

What is the main constituent of natural gas?

Answer 2

methane

Question 3

What is petroleum?

Answer 3

A mixture of hydrocarbons

Question 4

How is petroleum separated?

Answer 4

Fractional distillation

Question 5

What is the petroleum mnemonic

Answer 5

Randy’s grumpy nice keyboard does fine lighting bears

Question 6

What are the eight fractions of petroleum?

Answer 6

refinery gas, gasoline, naphtha, kerosene, diesel oil, fuel oil, lubricating fraction, bitumen

Question 7

What is the use of refinery gas?

Answer 7

Bottled gas for heating and cooking

Question 8

What is the use of gasoline?

Answer 8

Petrol in cars

Question 9

What is the use of naphtha?

Answer 9

Making chemicals

Question 10

What is the use of kerosene/paraffin?

Answer 10

Jet fuel

Question 11

What is the use of diesel oil?

Answer 11

Fuel in diesel engines

Question 12

What is the use of fuel oil?

Answer 12

Fuel for ships and home heating systems

Question 13

What is the use of lubricating fraction?

Answer 13

Lubricants, waxes and polishes

Question 14

What is the use of bitumen?

Answer 14

Making roads

Question 15

Describe the trends as you go down the fractions (5)

Answer 15

• Molecules get larger
• Higher boiling points
• Less volatile
• Flows less easily
• Ignites less easily