Question

how will you prepare following from chloroform
a) acetylene
b) ccl4
c) salicy aldehyde​

Answer 1

Answer:

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Explanation:(a) Chloretone from chloroform: Chloroform reacts with acetone in the presence of bass.

(b) Phenyl isocyanides from Chloroform: When chloroform reacts with primary amine example aniline, ethyl amine in presence of alcoholic potassium hydroxide with the production of a bad persistent small compound known as phenyl isocyanide (carbylamine reaction) is formed.

C  

6

​  

H  

5

​  

NH  

2

​  

+CHCl  

3

​  

+3KOH→C  

6

​  

H  

5

​  

NC+3KCl+3H  

2

​  

O

(c) Acetylene from chloroform: When chloroform is heated with silver powder, acetylene is produced.

(d) Salicylaldehyde from chloroform: When chloroform is heated with phenol and alcoholic KOH O-salicylaldehyde is produced