RAJASTHAN ­ PET Rajasthan PET Solved Paper-2011

  • question_answer
    When glucose reacts with bromine water, the main product is

    A)  acetic acid

    B)  saccharic acid

    C)  glyceraldehyde

    D)  gluconicacid

    Correct Answer: D

    Solution :

     When glucose reacts with\[B{{r}_{2}}\]water, gluconic acid is obtained as main product. \[\underset{\begin{smallmatrix}  | \\  C{{H}_{2}}OH \end{smallmatrix}}{\overset{\begin{smallmatrix}  CHO \\  | \end{smallmatrix}}{\mathop{{{(CHOH)}_{4}}}}}\,+[O]\xrightarrow[{}]{B{{r}_{2}},{{H}_{2}}O}\underset{gluconic\text{ }acid}{\mathop{\underset{\begin{smallmatrix}  | \\  C{{H}_{2}}OH \end{smallmatrix}}{\overset{\begin{smallmatrix}  COOH \\  | \end{smallmatrix}}{\mathop{{{(CHOH)}_{4}}}}}\,}}\,\]


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