wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Which of the following is the correct sequence of the following conversion?


  1. Br2/FeBr3,HNO3/H2SO4,NaCN,H2O/H+

  2. HNO3/H2SO4,Br2/FeBr3,Mg/Ether,CO2,H3O+

  3. NaCN,H3O+,Br2/FeBr3,H3O+/CO2/H2O

  4. HNO3/H2SO4,Br2/FeBr3/NaCN/H2O

Open in App
Solution

The correct option is A

Br2/FeBr3,HNO3/H2SO4,NaCN,H2O/H+


The explanation for the correct option:

(a) Br2/FeBr3,HNO3/H2SO4,NaCN,H2O/H+

  1. Bromination of benzene.

2. Nitration of bromobenzene

3. Substitution of Br by CN

4. Hydrolysis of 4-nitrobenzonitrile

Therefore, Option (a) is correct, Br2/FeBr3,HNO3/H2SO4,NaCN,H2O/H+ is the correct sequence for the conversion.


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Alkanes - Preparation
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon