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What is mutarotation?...

What is mutarotation?

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(a)What is guttation? What is the cause of guttation? (b) What are hydathodes?

Assertion (A) D-glucose when dissolved in water undergo mutarotation while sucrose solution does not show mutarotation Reason (R) D-glucose exist in two cyclic anomeric forms.

Knowledge Check

  • Which of the following will not show mutarotation?

    A
    Maltose
    B
    Lactose
    C
    Glucose
    D
    Sucrose

  • Which sugar is dextrorotatory and indicates mutarotation ?

    A
    Sucrose
    B
    Maltose
    C
    Both (a) and (b)
    D
    None

  • Which of the following compounds will not show mutarotation ?

    A
    `alpha` -D (+) glucopyranose
    B
    `beta` -D (+) glucopyranose
    C
    Methly-`alpha`-D-glucopyranoside
    D
    `beta` - D(+) galacopyranose

    • Similar Questions

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    Hemiacetals, Glucose Reactions, Mutarotation, Reaction OF Fructose, Properties OF Disaccharides, Maltose, Lactose, Polysaccharides

    A sugar exist in two isomeric form alpha-D & beta-D with specific rotation of 110^(@) and 30^(@) respectively. When alpha-D form of the suar is dissolved in water exhibits mutarotation till the equilibrium value of 90^(@) is attained. The equilibrium constant of mutarotation of beta-D form [Assuming only alpha and beta form in solution] is equal to:

    Which of the following exhibit mutarotation?

    Which one of the following carbohydrates will show mutarotation?

    The equilibrium constant for mutarotation alpha-"D Glucose "hArr beta-"D Glucose 1.8" . What percentage of alpha form remains at equilibrium?

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