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Sucrose on hydrolysis gives:...

Sucrose on hydrolysis gives:

A

glucose and galactos

B

maltose and galactos

C

glucose and fructose

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
Sucrose on hydrolysis glucose and fructose.
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Assertion: A solution of sucrose in water is dextro-rotatory but upon the hydrolysis in the presence of a little hydrolysis in the presence of a little hydrochloric acid, it becomes laevo rotatory. Reason: Sucrose upon hydrolysis gives unequal amounts of glucose and fructose. As a result, change in sign of rotation is observed.

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Knowledge Check

  • Assertion : A solution of sucrose in water is dextro rotatory but on hydrolysis in presence of little HCl it becomes laevorotatory. Reason : Sucrose on hydrolysis gives unequal amount of glucose and fructose as a result sign of rotation changes.

    A
    Assertion and reason both are CORRECT and reason is the CORRECT explanation of the assertion.
    B
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    C
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    D
    Assertion is wrong statement but reason is correct statement.

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    A
    If both assertion and reason are true , and is the true explanation of the assertion.
    B
    If both assertion and reason are true, but reason is not the true explanation of the assertion.
    C
    If asseration is true , but reason is false.
    D
    If both assertion and reason are false.

  • Assertion : A solution of sucrose in water is dextrorotatory. But on hydrolysis in the presence of a little hydrochloric acid, it becomes laevaorotatory. Reason : Sucrose on hydrolysis gives unequal amounts of glucose and fructose. As a result of this, change in sign of rotation is observed.

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