12th Class Chemistry Biomolecules / जैव-अणु Question Bank Assertion And Reason (MCQs) - Biomolecules

  • question_answer
    Assertion: A solution of sucrose in water is dextro- rotatory but upon hydrolysis in the presence of dilute HCl, it becomes laevo rotatory.             
    Reason: Sucrose on hydrolysis gives unequal amount of glucose and fructose as a result of which, change in sign of rotation is observed.

    A) Assertion and reason both are correct statements and reason explains the assertion.         

    B) Assertion and reason both are correct statements but reason does not explain assertion.  

    C) Assertion is correct statement and reason is wrong statement. 

    D) Assertion is wrong statement and reason is correct statement.

    Correct Answer: C

    Solution :

    Correct reason. This is because of muta rotation that is taking place when sucrose is dissolved in water.


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