(d) Glycerine contains $\ ^{\alpha}CH_{2} - OH \leftarrow 1{^\circ}\ alcohol$ | $\ ^{\beta}CH - OH \leftarrow 2{^\circ}alcohol$ | $\ ^{\alpha}CH_{2} - OH \leftarrow 1{^\circ}\ alcohol$
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.