Halogenoalkane R&C

Question 1

What are the 3 methods to prepare halogenoalkane?

Answer 1

1. FRS (alkane)
2. Electrophilic Add (alkene)
3. Nucleophilic sub (alcohol)

Question 2

FRS

Answer 2

X² UV light, homolytic fission

Question 3

E Add from alkenes

Answer 3

X² in CCl⁴
in the dark
(Di substituted)

Dry HX/ HX in CCl⁴
H & X substituted

Question 4

Nucleo sub

Answer 4

HCl (g) heat
Anhydrous PCl⁵ -> POCl³ + R-Cl +HCl

Question 5

Nucleo sub rxns of halogenoalkane

Answer 5

1. Form alcohol
2. Ether
3. Form nitrile
4. Form Amine

Question 6

Nitrile rxns

Answer 6

1. Acidic Hydrolysis
2. Basic Hydrolysis
3. Reduction

Question 7

Elimination of H-X

Question 8

Formation of halogenoalkane