Complete the following reactions: (i) (ii) $(\mathrm{C}_6\mathrm{H}_5\mathrm{CH}_2)_2\mathrm{Cd}+2\mathrm{CH}_3\mathrm{COCl}$ (iii) $\mathrm{CH}_3-\mathrm{CH}^{\overset{\mathrm{CH}_3}{\vert}}-\mathrm{COOH} \xrightarrow[(ii)\,\mathrm{H}_2\mathrm{O}]{(I)\,\mathrm{Br}_2/\mathrm{Red}\,\mathrm{P}}$ OR Write chemical equations for the following reactions: (i) Propanone is treated with dilute $\mathrm{Ba}(\mathrm{OH})_2$. (ii) Acetophenone is treated with $\mathrm{Zn}(\mathrm{Hg})/\text{Conc}$. $\mathrm{HCl}$ (iii) Benzoyl chloride is hydrogenated in presence of $\mathrm{Pd}/\mathrm{BaSO}_4$.