mechanisms

Question 1

What type of reaction makes bromoalkane from alkenes ? State the conditions.

Answer 1

electrophilic addition
HBr

→ room temp

Question 2

What type of reaction makes alcohol from alkylhydrogensulphate ? State the conditions.

Answer 2

hydrolysis
→ water
→ heat (warm)

Question 3

What type of reaction makes alcohol from alkenes?

State the conditions

Answer 3

hydration
→ steam
→ 300 degrees, 60 atm
→ H3PO4 catalyst

Question 4

What type of reaction makes alcohol from haloalkane? State the conditions.

Answer 4

nucleophilic substitution
→ aqueous OH
→ warm under reflux

Question 5

State the conditions for the electrophilic addition of sulphuric acid.

Answer 5

→ concentrated sulphuric acid

→ cold

Question 6

What type of reaction makes nitrile from haloalkane? State the conditions.

Answer 6

nucleophilic substitution
→ KCN in aqueous ethanol
→ boil under reflux

Question 7

What type of reaction makes amine from haloalkane? State the conditions.

Answer 7

nucleophilic substitution
→ ammonia in ethanol (sealed tube)
→ heat

Question 8

What type of reaction makes alkene from haloalkane? State the conditions.

Answer 8

elimination
→ ethanolic OH
→ heat

Question 9

What type of reaction makes alkene from alcohol? State the conditions.

Answer 9

elimination (dehydration)
→ concentrated H2SO4
→ heat// high temp