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VIT Engineering VIT Engineering Solved Paper-2015

  • question_answer
    The false statements among the following are I. A primary carbocation is less stable than E a tertiary carbocation. II. A secondary propyl carbocation is less stable than allyl carbocation. III. A tertiary free radical is more stable than a primary free radical,                     IV. Isopropyl carbanion is more stable than ethyl carbanion.                       

    A) I and II                 

    B) II and III                

    C) I and IV                

    D) II and IV

    Correct Answer: D

    Solution :

    Statements II and IV are wrong since 2° propyl carbocation is little more stable than allyl carbocation and ethyl carbanion is more stable than isopropyl carbanion.


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