JEE Main & Advanced Chemistry GOC Question Bank Critical Thinking

  • question_answer Which of the following is the most stable cation [CBSE PMT 1988; MNR 1988; AIIMS 1985]

    A) \[C{{H}_{3}}C{{H}_{2}}\overset{+}{\mathop{C}}\,HC{{H}_{3}}\]

    B) \[C{{H}_{3}}-\underset{C{{H}_{3}}\,\,\,\,}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,\,\,}{\mathop{\overset{+}{\mathop{C}}\,C{{H}_{3}}}}\,}}\,\]

    C) \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}\overset{+}{\mathop{C}}\,{{H}_{2}}\]

    D) \[CH_{3}^{+}\]

    Correct Answer: B

    Solution :

      \[{{(C{{H}_{3}})}_{3}}{{C}^{+}}\]\[3{}^\circ \]carbonium ion is most stable.

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