A) \[C{{H}_{3}}-C{{H}_{2}}-\underset{OH}{\mathop{\underset{|}{\mathop{C}}\,\ \ }}\,<\begin{matrix} C{{H}_{3}} \\ C{{H}_{3}} \\ \end{matrix}\] and (ii) \[C{{H}_{3}}-\underset{OH}{\mathop{\underset{|}{\mathop{C}}\,H}}\,-C{{H}_{3}}\]
B) (i) \[C{{H}_{3}}-\underset{OH}{\mathop{\underset{|}{\mathop{C}}\,H}}\,=CH<\begin{matrix} C{{H}_{3}} \\ C{{H}_{3}} \\ \end{matrix}\] and(ii) \[C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}OH\]
C) (i) \[C{{H}_{3}}-\underset{OH}{\mathop{\underset{|}{\mathop{C}}\,H}}\,-CH<\begin{matrix} C{{H}_{3}} \\ C{{H}_{3}} \\ \end{matrix}\] and (ii) \[C{{H}_{3}}-\underset{OH}{\mathop{\underset{|}{\mathop{C}}\,H}}\,-C{{H}_{3}}\]
D) (i) \[C{{H}_{3}}-C{{H}_{2}}-\underset{OH}{\mathop{\underset{|}{\mathop{C}}\,\ \ }}\,<\begin{matrix} C{{H}_{3}} \\ C{{H}_{3}} \\ \end{matrix}\] and(ii) \[C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}OH\]
Correct Answer: A
Solution :
\[\underset{\text{2 methyl 2 butene}}{\mathop{C{{H}_{3}}-CH=C<\begin{matrix} C{{H}_{3}} \\ C{{H}_{3}} \\ \end{matrix}}}\,+{{H}_{2}}O\underset{\text{Markownikoff rule}}{\mathop{\xrightarrow{{{H}_{2}}S{{O}_{4}}}}}\,\]\[\underset{\text{2 methyl butan-2-ol}}{\mathop{C{{H}_{3}}-C{{H}_{2}}-\underset{OH\ }{\mathop{\underset{|}{\mathop{C}}\,\ \ \ \ }}\,<\begin{matrix} C{{H}_{3}} \\ C{{H}_{3}} \\ \end{matrix}}}\,\] \[\underset{\text{propene}}{\mathop{C{{H}_{3}}CH=C{{H}_{2}}}}\,+{{H}_{2}}O\underset{\text{Markownikoff rule}}{\mathop{\xrightarrow{{{H}_{2}}S{{O}_{4}}}}}\,\underset{\text{propene-2-ol}}{\mathop{C{{H}_{3}}-\overset{OH}{\mathop{\overset{|}{\mathop{C}}\,H}}\,-C{{H}_{3}}}}\,\]
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