Mechanisms

Question 1

Electrophilic +

Answer 1

Alkenes, HBr and Br2

Question 2

Hydrogenation (adding H+)

Answer 2

Alkenes
Nickle catalyst
140 temperature

Question 3

Hydration of alcohols (adding water)

Answer 3

Alkenes, Phosphoric acid
330 temperature
33 pressure MPa

Question 4

Nucleophilic sub

Answer 4

halogenoalknes, :CN, :OH, :NH3

Question 5

Elimination (double bond formed - halogenoalkane)

Answer 5

K/NaOH, H20 formed
dehydration of halogenoalkanes

Question 6

Eliminaton / acid-based reactions of alcohols

Answer 6

Use acid-based catalyst, concentrated H2S04