JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2004

  • question_answer
        Glucose reacts with bromine water to produce :

    A)  gluconic acid     

    B)  glyceraldehyde

    C)  saccharic acid  

    D)  glucaric acid

    Correct Answer: A

    Solution :

                    Glucose is oxidised to gluconic acid by bromine water. \[\underset{\begin{smallmatrix}  | \\  C{{H}_{2}}OH  \\  glu\cos e \end{smallmatrix}}{\overset{\begin{smallmatrix}  C{{H}_{2}}OH \\  | \end{smallmatrix}}{\mathop{{{(CHOH)}_{4}}}}}\,\xrightarrow{B{{r}_{2}}\,\,\,water}\underset{\begin{smallmatrix}  | \\  \underset{gluconic\,acid}{\mathop{C{{H}_{2}}OH}}\, \end{smallmatrix}}{\overset{\begin{smallmatrix}  COOH \\  | \end{smallmatrix}}{\mathop{{{(CHOH)}_{4}}}}}\,\]


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