Q86 / 180 · AIIMS 2005 · Chemistry

Assertion : Maltose is a reducing sugar which gives two moles of D-glucose on hydrolysis. Reason : Maltose has a 1,4- $\beta$-glycosidic linkage.

  • A
    If both assertion and reason are true and reason is the correct explanation of assertion
  • B
    If both assertion and reason are true but reason is not the correct explanation of assertion
  • Correct answer
    C
    If assertion is true but reason is false
  • D
    If both assertion and reason are false.

Solution

On hydrolysis one mole of maltose yields two moles of D-glucose. It is a reducing sugar. The two glucose units are linked through $\alpha$-glucosidic linkage between $\mathrm{C}-1$ of one unit and the C-4 of another.

Hence, the correct answer is option: 'C'.

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