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The change in optical rotation with time...

The change in optical rotation with time of freshly prepared solution of sugar is known as :

A

Specific rotation

B

Mutarotation

C

inversion

D

Rotatory motion

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • The change in the optical rotation (with time) of freshly prepared solution of sugar is known as

    A
    Specific rotation
    B
    Inversion
    C
    Rotatory motion
    D
    Mutarotation

  • The change in the optical rotation (with time) of freshly prepared solution of sugar is known as

    A
    specific rotation
    B
    inversion
    C
    rotatory motion
    D
    mutarotation.

  • The change of optical rotation of glucose solution with time is refered to as:

    A
    Mutarotation
    B
    Inversion
    C
    Specific rotation
    D
    Autorotation

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    Assertion : The specific rotation of a freshly prepared solution of alpha -glucose decreases from + 112^(@) to 52.7^(@) while that of beta glucose increases from +19^(@) to 52.7^(@) . Reason: The change in specific rotation of an optically active compound with time to an equilibrium value is called mutarotation.

    Freshly prepared pure dilute solution of sodium in liquid ammonia:

    Specific rotation of sugar solution is 0.5 deg m^(2)//kg . 200kgm^(-3) of impure sugar solution is taken in a sample polarimeter tube of length 20 cm and optical rotation is found to be 19^(@) . The percentage of purity of sugar is :

    Specific rotation of sugar solution is 0.01 SI units. 200 kg-m^(-3) of impure sugar solution is taken in a polarimeter tube of length 0.25m and an optical rotation of 0.4 rad is observed. The percentage of purity of sugar in the sample is

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