BHU PMT BHU PMT (Mains) Solved Paper-2009

  • question_answer

    Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:

    Choose the correct statement about crotyl alcohol. (1) It is a primary alcohol (2) It contains one\[C{{H}_{2}}\]unit more, than allyl alcohol (3) It gives test of unsaturation (4) It is an isomer of allyl alcohol

    A)  1, 2 and 3 are correct

    B)  1 and 2 are correct

    C)  2 and 4 are correct

    D)  1 and 3 are correct

    Correct Answer: A

    Solution :

                     The   structure   of   crotyl   alcohol   is\[C{{H}_{3}}CH=CHC{{H}_{2}}OH\]. Here, it is clear that it is a primary alcohol. Due to presence of double bond, it gives test for unsaturation. Crotyl    alcohol    and    allyl    alcohol (\[C{{H}_{2}}=CHC{{H}_{2}}OH\])have a difference of\[C{{H}_{2}}\]unit, so they are not isomers.


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