JEE Main & Advanced Chemistry Alcohols, Phenols and Ethers / एल्कोहॉल, फीनॉल तथा ईथर Question Bank General introduction of alcohol Phenol and Ethers

  • question_answer
    Glycerine has [MP PMT/PET 1988; MP PMT 1989, 91; AIIMS 1997]

    A)                 One primary and two secondary\[-OH\] groups

    B)                 One secondary and two primary\[-OH\] groups

    C)                 Three primary \[-OH\] groups

    D)                 Three secondary \[-OH\] groups

    Correct Answer: B

    Solution :

               \[\underset{C{{H}_{2}}-OH}{\overset{C{{H}_{2}}-OH}{\mathop{\underset{|\,\,\,\,}{\overset{|\,\,\,\,}{\mathop{CH}}}\,-OH\,\,\,}}}\,\] one secondary and two primary alcoholic groups.


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