Which of the following will give Cannizzaro reaction?

• A

  $\mathrm{CH}_{3} \mathrm{CHO}$
• B

  $\mathrm{CH}_{3} \mathrm{COCH}_{3}$
• Correct answer
  C

  $\left(\mathrm{CH}_{3}\right)_{3} \mathrm{C}-\mathrm{CHO}$
• D

  $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CHO}$

Solution

Aldehydes which have no $\alpha$-H atom give Cannizzaro's reaction, $\left(\mathrm{CH}_{3}\right)_{3} \mathrm{C}-\mathrm{CHO}$ does not contain $\alpha-H$ atom, hence it will give Cannizzaro reaction.

Hence, the correct answer is option: 'C'.