How would you carry out the following reactions? More than one step may be required.
(a) 3-Hexyne $\rightarrow$ - Hexanone
(b) Benzene $\rightarrow m$ -Bromoacetophenone
(c) Bromobenzene $\rightarrow$ Acetophenone
(d) 1-Methylcyclohexene $\rightarrow$ 2-Methylcyclohexanone