J & K CET Engineering J and K - CET Engineering Solved Paper-2006

  • question_answer
    The number of chiral centres in \[(+)-\]glucose

    A)  4              

    B)  3

    C)  2              

    D)  1

    Correct Answer: A

    Solution :

     A carbon atom which is attached by four different group is called chiral centre or asymmetric carbon atom. \[(+)-\]glucose has four chiral centres. \[\underset{H}{\mathop{\underset{|}{\mathop{\underset{H-{{C}^{*}}-OH}{\mathop{\underset{|}{\mathop{\underset{H-{{C}^{*}}-OH}{\mathop{\underset{|}{\mathop{\underset{H-{{C}^{*}}-OH}{\mathop{\underset{|}{\mathop{\underset{H-{{C}^{*}}-OH}{\mathop{\underset{|}{\mathop{\underset{H-{{C}^{*}}-OH}{\mathop{H-\underset{|}{\mathop{C}}\,=O}}\,}}\,}}\,}}\,}}\,}}\,}}\,}}\,}}\,}}\,}}\,\]


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