Topic 1 - Organic Chemistry

Question 0

Explain the term hydrocarbon

Answer 0

Hydrocarbons are made up only of carbon and hydrogen atoms

Question 1

Explain the term saturated

Answer 1

An organic compound in which all bonds are single bonds

Question 2

What’s the general formula for Alkane?

Answer 2

CnH₂n+2

Question 3

Explain the term Homologous series and List 4 characteristics that belong to it

Answer 3

1. Have the same general formula
2. Similar chemical properties
3. Have trends in physical properties
4. Where each member differs from the next by a -CH2- group

A series of organic compounds

Question 4

Name 4 Alkanes

Answer 4

1. Methane
2. Ethane
3. Propane
4. Butane
5. Monkeys Eat Pealed Bananas

Question 5

What’s Crude Old

Answer 5

A mixture of hydrocarbons with different carbon chain lengths (molecular size)

Question 6

Describe how the industrial process of fractional distillation separates crude oil into fractions

Answer 6

Rushbrook - Refinery Gases

Girls - Gasoline

Don’t - Diesel Oil (gas oil)

Find - Fuel oil

Boys - Bitumen

Question 7

Explain the term unsaturated

Answer 7

coumpounds with double bonds

Question 8

Explain the term Isomerism

Answer 8

Same molecular formula. Different structural formula.

Question 9

Draw display formula for alkanes with up to five carbon atoms in a molecule, and name the isomers.

Answer 9

Question 10

What are the products of complete combustion?

Answer 10

In enough oxygen Alkanes will burn completly to give Carbon Dioxide and Water.

Question 11

What are the products of incomplete combustion?

Answer 11

In the absence of an adequate aupply of air, alkanes may need to form carbon (soot) carbon monoxide and water.

2CH₄(g)+3O₂(g)►2CO(g)+4H₂O(l)

Question 12

Explain the term unsaturated

Answer 12

compounds with double bonds