JEE Main & Advanced Chemistry GOC Question Bank Critical Thinking

  • question_answer Which of the following orders regarding relative stability of free radicals is correct [UPSEAT 2004]

    A) \[3{}^\circ <2{}^\circ <1{}^\circ \]

    B) \[3{}^\circ \text{ }>\text{ }2{}^\circ \text{ }>\text{ }1{}^\circ \]

    C) \[1{}^\circ \text{ }<\text{ }2{}^\circ \text{ }>\text{ }3{}^\circ \]

    D) \[3{}^\circ \text{ }>\text{ }2{}^\circ \text{ }<\text{ }1{}^\circ \]

    Correct Answer: B

    Solution :

    Due to the increasing no. of hyperconjugative structures free radical stabilise following as \[3{}^\circ >2{}^\circ >1{}^\circ \].

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