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JEE Main & Advanced JEE Main Online Paper (Held On 23 April 2013)

  • question_answer
                    Natural glucose is termed D-glucose because:     JEE Main Online Paper ( Held On 23  April 2013 )

    A)                  \[-OH\]on the second carbon is on the right side in Fischer projection

    B)                                         \[-OH\]n the sixth carbon is on the right side in Fischer projection

    C)                                         \[-OH\]on the fifth carbon is on the right side in Fischer projection

    D)                                          It is dextrorotatory

    Correct Answer: C

    Solution :

                      Fischer gave the prefix "D" to compounds whose bottom chiral has its OH to the right. So natural glucose is called D-glucose or dextrose. Structure of D-Glucose:


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