(i)
`CH_(3)-CH_(2)-overset(O)overset(||)(C)-CHBr_(2) overset((i) NaOBr) to
`[CH_(3)-CH_(2)-overset(O)overset(||)(C)-CBr_(3)]overset(OH^(Theta))to`
`CH_(3)-CH_(2)-COO^(Theta)+CHBr_(3)overset(H^(+))CH_(3)-CH_(2)-COOH`
(ii) `C_(6)H_(5)-CH_(3)overset(Cl_(2)//hv)toC_(6)H_(5)underset("(A)")(-)C Cl_(3) overset(H_(2)O // OH^(Theta))toC_(6)H_(5)COO^(Theta)`