Answer:
(i) \[{{H}_{3}}C-\underset{\text{Propene}}{\mathop{\text{CH}}}\,=C{{H}_{2}}+HBr\xrightarrow{{{(Ph-COO)}_{2}}}\]
\[\underset{1-Bromopropane}{\mathop{{{H}_{3}}C-C{{H}_{2}}-C{{H}_{2}}Br}}\,\]
In presence of organic
peroxides, the addition of \[HBr\]to propene follows anti-Markownikoffs rule
(or peroxide effect) to form 1-bromopropane (n-propyl bromide).
(ii)
\[\underset{\text{Propene}}{\mathop{{{H}_{3}}C-CH}}\,=C{{H}_{2}}+HBr\xrightarrow[addition]{Markkownikoff's}\]
\[{{H}_{3}}C-\underset{\underset{2-Bromopropane}{\mathop{\begin{smallmatrix}
| \\
Br
\end{smallmatrix}}}\,}{\mathop{CH}}\,-C{{H}_{3}}\]
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