Q. Formyl chloride has not been prepared so far. Which of the following can function as formyl chloride in formylation ?

2293 221 Aldehydes Ketones and Carboxylic Acids Report Error

A

$H COO H + H C I$

28%

B

$CO + H C I$

28%

C

$H CON H_{2} + H C I$

20%

D

$H COOC H_{3} + H C I$

24%

Solution:

Correct answer is (b) $CO + H C I$