A) \[C{{H}_{3}}-\underset{C{{H}_{3}}}{\mathop{\underset{|}{\overset{+}{\mathop{C}}}\,\ \ \ \ }}\,\]
B) \[C{{H}_{3}}-\underset{C{{H}_{3}}}{\overset{C{{H}_{3}}}{\mathop{\underset{|\ \ }{\overset{|\ \ }{\mathop{{{C}^{+}}}}}\,\ \ }}}\,\]
C) \[\overset{+}{\mathop{C}}\,{{H}_{3}}\]
D) \[C{{H}_{3}}\overset{+}{\mathop{C}}\,{{H}_{3}}\]
Correct Answer: B
Solution :
\[C{{H}_{3}}-\underset{C{{H}_{3}}}{\overset{C{{H}_{3}}}{\mathop{\underset{|\,}{\overset{|\,\,}{\mathop{{{C}^{+}}}}}\,\ \ \ }}}\,\] Due to (+I) effect of three methyl group 3° carbocation is more stable.
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