Manipal Medical Manipal Medical Solved Paper-2002

  • question_answer
    Hydrolysis of sucrose is:

    A)  inversion        

    B) hydradon

    C)  sappnification    

    D)  inhibition

    Correct Answer: A

    Solution :

     The hydrolysis of sucrose produce a mixture of glucose and fructose. \[\underset{Sucrose}{\mathop{{{C}_{12}}{{H}_{22}}{{O}_{11}}}}\,\xrightarrow[{}]{{{H}_{2}}O}\underset{Glu\cos e}{\mathop{{{C}_{6}}{{H}_{12}}{{O}_{6}}}}\,+\underset{Fructose}{\mathop{{{C}_{6}}{{H}_{12}}{{O}_{6}}}}\,\] \[\underset{Dextro\text{ }rotatory}{\mathop{[\alpha D]=+66.5{}^\circ }}\,\underset{Laevo\text{ }rotatory}{\mathop{[\alpha ]D=+52.5}}\,[\alpha ]D=-92{}^\circ \] Thus dcxtro rotatory sucrose changes into laevo rotatory mixture of glucose and fructose. Therefore, it is known as in version of sugar.


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