Reactions

Question 1

Substitution reaction

Answer 1

UV light
Cl2 + CH4 -> HCl +CH3Cl

Question 2

Addition Reaction

Answer 2

Only reacts with double bond
Alkene + Bromine -> Haloalkane

Question 3

Hydrogenation reaction

Answer 3

Needs Nickel catalyst and 60 degrees.
Propene + hydrogen -> Propane

Question 4

Hydration

Answer 4

Needs catalyst and 300 degrees.

Alkene + water(steam) -> alcohol

Question 5

Ethanol uses

Answer 5

Fuel
Alcoholic drinks
Solvent in perfumes, inks and gules

Question 6

Ethanol (fermentation of glucose)

Answer 6

C6H12O6 -> with yeast catalyst C2H5OH + CO2

Question 7

Ethanol (ethene +steam)

Answer 7

C2H4 +H20 -> C2H5OH

Question 8

Advantages + disadvantages: Fermentation of glucose

Answer 8

Advantage: Simple method + Uses renewable resources

Disadvantage: Not a continuous process, slow reaction, produces low purity

Question 9

Advantages + disadvantages: Ethene +steam

Answer 9

Adavantages: Small scale equipment, continuous process, reaction is fast, produces high purity ethanol

Disadvantages: Uses non-renewable resources