Chapter 6.10, Problem 25P

Identify the catalyst in each equation.

a. ${\text{CH}}_{\text{2}}={\text{CH}}_{\text{2}}\underset{{\text{H}}_{\text{2}}{\text{SO}}_{\text{4}}}{\overset{{\text{H}}_{\text{2}}\text{O}}{\to }}{\text{CH}}_{\text{3}}{\text{CH}}_{\text{2}}\text{OH}$ b. ${\text{CH}}_{\text{3}}\text{Cl}\underset{{}^{-}\text{OH}}{\overset{{\text{I}}^{-}}{\to }}{\text{CH}}_{\text{3}}\text{OH}+{\text{Cl}}^{-}$