Chapter 6 Organic Chemistry

Question 1

Name one saturated hydrocarbon

Answer 1

Ethane

Question 3

Name the polymer of ethene

Answer 3

Polyethene

Question 4

What are hydrocarbon

Answer 4

Compounds containing hydrogen and carbon

Question 5

Name one unsaturated hydrocarbon

Answer 5

Ethane

Question 8

What’s an Alkanes

Answer 8

They are saturated hydrocarbon containing only single covalent bonds between carbon atoms

Question 9

Why is it that ethene can take part in addition reaction than Ethan

Answer 9

Because of double bond of alkenes allow it in addition reaction

Question 10

What’s the product formed when bromine and ethene combine

Answer 10

Form dibromoethene

Question 11

What’s bromination

Answer 11

Bromine reacts with ethene produce dibromoethene

Question 12

Name some additional reaction

Answer 12

Hydrogenation
Hydration
Chlorination

Question 13

What are monomers

Answer 13

Smaller molecules

Question 14

Name one hydrocarbon can be coveted to a polymer

Answer 14

Ethene

Question 15

What term is used to describe a reaction of glucose changed to ethanol

Answer 15

Fermentation

Question 16

What’s fermentation

Answer 16

It’s a process used in production of ethanol from sugar by the action of yeast or bacteria on it

Question 17

What’s the purpose of yeast in the fermentation process

Answer 17

Act as a catalyst

Question 18

Which homologous series does ethanol belong to

Answer 18

Alkanols or alcohols

Question 19

Why does ethanol become sour when exposed to the air

Answer 19

Oxidation occurs which leads formation of an acid or carboxylic acid which has a sour taste

Question 20

What product is produced when ethanol is dehydrated

Answer 20

It produces ethene

Question 21

What’s dehydration

Answer 21

The removal of water from a compound

Question 22

Ethene plus steam gives

Answer 22

Ethanol

Question 23

What process used to separate the fraction of crude oil

Answer 23

Fraction distillation

Question 24

What major elements are found in crude oil

Answer 24

Hydrogen

Carbon

Question 25

What does non renewable energy source mean

Answer 25

Source is one that is limited supply and can not be replaced once used

Question 26

Why is the sun better source of energy than crude oil

Answer 26

It is inexhaustible

Solar energy can be clean process while crude oil causes pollution

Question 27

What reaction occurs in petroleum industry

Answer 27

Catalytic cracking

Question 28

What are suitable condition for catalytic cracking to occur

Answer 28

Presence of a catalyst | High temperature around 500 *c

Question 29

What's cracking

Answer 29

The process of were large hydrocarbon are broken in molecules break into smaller molecules

Question 30

What's an isomer

Answer 30

It is a compound with the same molecular formula but different molecular structure

Question 31

What macromolecule is formed when butene is polymerized

Answer 31

Polybutene

Question 32

What is the reaction when ethanol produces ethanoic acid

Answer 32

Esterification

Question 33

What's the reaction when ethanol produces ethylethanoate

Answer 33

Is oxidation

Question 34

What reagent brings a change when produce ethylethanoate

Answer 34

Ethanoic acid

Question 35

What are used of esters

Answer 35

Making perfume

Question 36

What product given out in cracking

Answer 36

An Alkanes with a shorter chain than before A short chain of alkene molecule

Question 37

What are esters

Answer 37

They are organic compounds formed by acids and alcohol

Question 38

Name some examples of esters

Answer 38

Vegetable oil | Animal fats

Question 39

What type of reaction is nylon formed from diaminohexane or hexanedioyl chloride

Answer 39

Condensation polymerization

Question 40

Apart from nylon name another compound formed by diaminohexane and hexanedioyl chloride

Answer 40

Hydrogen chloride

Question 41

Name a macromolecule and type of linkage which is similar to that of nylon

Answer 41

Protein | Amino linkage

Question 42

What's the use of nylon

Answer 42

``` As a synthetic fibre In clothing Carpet Rubber reinforcement Computer ribbons Sewing thread ```

Question 43

What's polymerization

Answer 43

This is a chemical reaction which a macromolecule known as a polymer is formed by the condensation of many identical monomers

Question 45

What does the team unsaturated hydrocarbon mean

Answer 45

It's a carbon containing at least one double bond among its carbon atoms

Question 46

What's the Colour of dibromoethene

Answer 46

It's a colourless compound