Unit 2 Systematic Carbon

Question 1

Alkanes

Answer 1

General formula CnH2n+2
Ending in ane
Single bonds only

Question 2

Alkenes

Answer 2

General formula CnH2n
Ending in Ene
contains one double bond

Question 3

Cycloalkenes

Answer 3

General formula CnH2n
Ring structure
Isomers of alkene

Question 4

What is an isomer

Answer 4

Same molecular formula different structural formulae

Question 5

How do you test for unsaturation

Answer 5

Bromine water will decolourise is there’s double c-c bonds present

Question 6

Hydrogenation

Answer 6

Addition of H2 to unsaturated compounds (Alkenes) converting them to saturated compounds (Alkanes)

Question 7

Hydration

Answer 7

Addition of Water to an unsaturated hydrocarbon to form an alcohol

Question 8

Dehydration

Answer 8

Removal of water
Usually an Alcohol to form and Alkene

Question 9

Halogenation

Answer 9

Addition or substitution of halogen atoms

Question 10

Combustion

Answer 10

Reaction with oxygen the releases energy
Complete- Produces CO2 & H2O
Incomplete- Produces CO or C

Question 11

Condensation

Answer 11

Two molecules join together and small molecule (Usually water) is eliminated
Reaction between alcohols and acids to form esters and water