12.2 Alkenes (Reaction with Hydrogen Bromide)

Question 1

Reaction with Hydrogen Bromide

Answer 1

CH2=CH2 + HBr —> CH3CH2Br
Bromoethane
Ethene reacts with a solution of HBr in a polar solvent

Question 2

Conditions

Answer 2

Aqueous solution

Room Temperature and Pressure

Question 3

Reaction with Water

Answer 3

Important for industrial manufacture of ethanol

Question 4

Reaction with Water Conditions

Answer 4

WITH A CATALYST OF PHOSPHORIC ACID ADSORBED ONTO SILICA AND STEAM, A TEMPERATURE OF 300oC, AND A PRESSURE OF 60atm ethene can react with water.

Question 5

What is the addition of water to an alkene an example of?

Answer 5

Hydration reaction