• # question_answer Which amongst the following is the most stable carbocation [CBSE PMT 2005] 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) $C{{H}_{3}}\overset{+}{\mathop{C}}\,{{H}_{3}}$

$C{{H}_{3}}-\underset{C{{H}_{3}}}{\overset{C{{H}_{3}}}{\mathop{\underset{|\,}{\overset{|\,\,}{\mathop{{{C}^{+}}}}}\,\ \ \ }}}\,$ Due to (+I) effect of three methyl group 3° carbocation is more stable.