(d)
Cannizaro reaction is given by only those aldehydes and ketones in which $\alpha$-H atom is absent.
Formaldehyde ($HCHO)$and benzaldehyde ($C_{6}H_{5}CHO$) both due to the absence of $\alpha$-H atom undergo Cannizaro reaction.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.