Question

What is hydrogenaton and substitution reaction

Answer 1

(i) Hydrogenation reaction The addition of hydrogen to an unsaturated molecule to make it saturated is known as hydrogenation. ... (iii) Substitution reaction The reaction in which a reagent substitutes (replaces) an atom or a group of atoms from the reactant (substrate) are called substitution reactions

Answer 2

(i)Hydrogenation reaction The addition of hydrogen to an unsaturated molecule to make it saturated is known as hydrogenation. ... (ii)Substitution reaction The reaction in which a reagent substitutes (replaces) an atom or a group of atoms from the reactant (substrate) are calledsubstitution reactions.