Question

Objective question

   The cannizzaro's reaction is not given by 

(A) formaldehyde

(B) acetaldehyde

 (C) benzaldehyde

  (D) furfural

Answer 1

(b)acetaldehyde is the answer

Answer 2

Ans : ( b) acetaldehyde

cannizzaro's reaction doesn't undergoes containing of α-H atom in compound. Acetaldehyde is α - H atom containing compound while formaldehyde , benzaldehyde , furfural doesn't contain α- H atom . That's why acetaldehyde doesn't give Cannizzaro's reaction while all other compounds give it .