Complete the following reactions:
(i)
(ii) ${\left({\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{CH}}_2\right)}_2\mathrm{Cd}+2{\mathrm{CH}}_3\mathrm{COCl}$
(iii) ${\mathrm{CH}}_3-\stackrel{{\mathrm{CH}}_3}{\stackrel{|}{\mathrm{C}\mathrm{H}}}-\mathrm{COOH}\mathrm{}\underset{\left(\mathrm{ii}\right)\mathrm{}{\mathrm{H}}_2\mathrm{O}}{\overset{\left(\mathrm{I}\right)\mathrm{}{\mathrm{Br}}_2∕\mathrm{Red}\mathrm{P}}{\mathit{─}\mathit{─}\mathit{─}\mathit{─}\mathit{─}\mathit{─}▸}}$
OR
Write chemical equations for the following reactions:
(i) Propanone is treated with dilute $\mathrm{Ba}{\left(\mathrm{OH}\right)}_2$.
(ii) Acetophenone is treated with $\mathrm{Zn}\left(\mathrm{Hg}\right)∕\mathrm{Conc}$. $\mathrm{HCl}$
(iii) Benzoyl chloride is hydrogenated in presence of $\mathrm{Pd}∕{\mathrm{BaSO}}_4$.