Preparation Of Haloalkanes

Question 1

What are the methods of preparation of haloalkanes?

Answer 1

1. By alcohol
2. Electrophilic Addition on Alkene
3. From Alkene by Markovnikov Rule
4. From Alkene by Anti Mark. Rule
5. From Alkene by Aq. HBr
6. From Alkenes by X2 in presence of NPS or PPS
7. From Alkanes
   - Halogenation
8. From Alkenes by Reaction with NBS for Allylic or Benzylic Halogenation
   9.Birbaun Simmonini
9. Borodine Hunsdiecker

Question 2

Alkyl alcohol + Nu + PX3

Answer 2

RX + H3PO3

Question 3

Alkyl Alcohol + Nu + PX5

Answer 3

RX + POX3 +HX

Question 4

Alkyl alcohol + Nu + Red P/X2

Answer 4

RX

Question 5

Alkyl alcohol + Nu + NaBr/H2SO4

Answer 5

RBr + Na2SO4 + H2O

Question 6

Alkyl alcohol + Nu + SOCl2

Answer 6

R-Cl + SO2 + HCl

Question 7

Alkyl alcohol + Nu + HX

Answer 7

RX + H2O