JEE Main & Advanced Sample Paper JEE Main - Mock Test - 29

  • question_answer
    Which of the following glucose does not react with acetone/\[{{H}^{\oplus }}\]?

    A) \[\alpha -D-\]glucofuranose     

    B) \[\beta -D-\]glucofuranose     

    C) \[\alpha -D-\]glucopyranose     

    D) \[\beta -D-\]glucopyranose

    Correct Answer: D

    Solution :

    [d] (1) Has two pair of \[(OH)\] groups at cis position one pair at \[C-1\]and \[C-2\] another pair at \[C-5\] and \[C-6\] to form cyclic ketal. It forms two cyclic ketal (2) It has one pair of cis \[(OH)\] group at \[C-5\]and \[C-6\] (3) It has one pair of cis \[(OH)\] group at \[C-1\] and \[C-2\] No pair of cis \[(OH)\] group.


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