(d) Formation of ethylene from acetylene is an example of addition reaction $CH\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ CH_{2}$ ||| $+ H_{2}\overset{\ Ni\ \ }{\rightarrow}$ || $CH\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ CH_{2}$ Ethyne ethene
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.