Organic Chemistry

Question 1

What does a structural formula show?

Answer 1

How the atoms are connected

Question 2

What does a displayed formula show?

Answer 2

All the atoms as their symbols connected by lines, each representing a pair shared electrons making a covalent bond

Question 3

What is the structural formula equation?

Answer 3

CH3-CH2-CH2-CH3

Question 4

What is the order of the carbons?

Answer 4

Meth
Eth
Prop
But
Pent
Hex

Question 5

What is isomerism?

Answer 5

This occurs when two compounds have the same molecular formula but different structural ones

Question 6

What are hydrocarbons?

Answer 6

A comping that contains only hydrogen and carbon

Question 7

What is meant by saturated?

Answer 7

They are compounds containing the maximum number of hydrogen atoms

Question 8

What are the characteristics of a homologous series?

Answer 8

A family of organic compounds with the same general formula but with each successive member differing by CH2

Question 9

What is the general formula for alkanes?

Answer 9

CnH2n+2

Question 10

What is combustion?

Answer 10

Burning in excess oxygen

Question 11

What is the word and symbol equation for the complete combustion of methane?

Answer 11

Methane + oxygen ➡️ water + carbon dioxide

CH4 + 2O2 ➡️ 2H2O + CO2

Question 12

What is the balanced symbol equation for the complete combustion of propane?

Answer 12

C3H8 + 5O2 ➡️ 4H2O + 3CO2

Question 13

What is needed for bromine to react wth methane?

Answer 13

UV light

Question 14

What is the structure of ethene?

Answer 14

CH2=CH2

Question 15

What is the structure of propene?

Answer 15

CH3CH=CH2

Question 16

What is the structure of but-1-ene?

Answer 16

CH2=CHCH2CH3

Question 17

What is the structure of but-2-ene?

Answer 17

CH3CH=CHCH3

Question 18

What is the molecular formula of ethene?

Answer 18

C2H4

Question 19

What is the molecular formula of propene?

Answer 19

C3H6

Question 20

What is the molecular formula of but-1-ene?

Answer 20

C4H8

Question 21

What is the molecular formula of but-2-ene?

Answer 21

C4H8

Question 22

What is the general formula for the alkenes?

Answer 22

CnH2n

Question 23

What is the word and symbol equation for the reaction of methane and bromine?

Answer 23

Methane + bromine ➡️ bromo methane + hydrogen bromide

Question 24

In the dehydration of ethanol experiment what were the observations and what can be deduced about the product of the reaction?

Answer 24

Burns with a small yellow flame
Bromine water changes colour from orange to colourless
An Allene is produced

Question 25

What is the molecular formula of methane?

Answer 25

CH4

Question 26

What is the molecular formula of ethane?

Answer 26

C2H6

Question 27

What is the molecular formula of propane?

Answer 27

C3H8

Question 28

What is the molecular formula of butane?

Answer 28

C4H10

Question 29

What is the molecular formula of pentane?

Answer 29

C5H12

Question 30

What is the molecular formula of hexane?

Answer 30

C6H14

Question 31

What is the structural formula of methane?

Answer 31

CH4

Question 32

What is the structural formula of ethane?

Answer 32

CH3-CH3

Question 33

What is the structural formula of propane?

Answer 33

CH3-CH2-CH3

Question 34

What is the structural formula of butane?

Answer 34

CH3-CH2-CH2-CH3

Question 35

What is the structural formula of pentane?

Answer 35

CH3-CH2-CH2-CH2-CH3

Question 36

What is the structural formula of hexane?

Answer 36

CH3-CH2-CH2-CH2-CH2-CH3

Question 37

What is the structural formula of ethene?

Answer 37

CH2CH2

Question 38

What is the structural formula of propene?

Answer 38

CH2=CH-CH3

Question 39

What is the structural formula of butene?

Answer 39

CnH2n

Question 40

What is the structural formula of pentene?

Answer 40

CH2=CH-CH2CH2CH3

Question 41

What is the structural formula of hexene?

Answer 41

CH2=CH-CH2-CH2-CH2-CH3