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Which one of the following statements is not true regarding (+) Lactose?

  • Option 1)

    On hydrolysis (+) Lactose gives equal amount of D(+) glucose and D(+) galactose.

  • Option 2)

    (+) Lactose is a \beta-glycoside formed by the union of a molecule of D(+) glucose and a molecule of D(+) galactose.

  • Option 3)

    (+) Lactose is a reducing sugar and does not exhibit mutarotation.

  • Option 4)

    (+) Lactose, C12H22O11 contains 8-OH groups.

 

Answers (1)

best_answer

 

Lactose/ Milk sugar -

Reducing sugar formed by condensation of one molecule each of galactose and glucose

- wherein

 

Lactose exhibits mutarotation


Option 1)

On hydrolysis (+) Lactose gives equal amount of D(+) glucose and D(+) galactose.

Incorrect

Option 2)

(+) Lactose is a \beta-glycoside formed by the union of a molecule of D(+) glucose and a molecule of D(+) galactose.

Incorrect

Option 3)

(+) Lactose is a reducing sugar and does not exhibit mutarotation.

Correct

Option 4)

(+) Lactose, C12H22O11 contains 8-OH groups.

Incorrect

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prateek

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