The statement that is $NOT$ correct is

  • A
    Carbohydrates are optically active.
  • B
    Lactose has glycosidic linkage between $C_{4}$ of glucose and $C_{1}$ of galactose unit.
  • C
    Aldose or ketose sugars in alkaline medium do not isomerize.
  • D
    Pentaacetate of glucose does not react with hydroxylamine.

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