Glucose gives silver mirror with Tollen's reagent. It shows the presence of
  • A
    An acidic group
  • B
    An alcoholic group
  • C
    A ketonic group
  • D
    An aldehydic group
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  • 1
    $\begin{matrix}
       \begin{matrix}
       C{{H}_{2}}OOCR'  \\
       |\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
    \end{matrix}\,\,\,  \\
       CHOOCR\,\,\,\,\,\,\,  \\
       |\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
       C{{H}_{2}}OOCR'''  \\
    \end{matrix}$  $\underset{\text{Hydrolysis}}{\mathop{\xrightarrow{\text{Enzyme}}}}$ $\begin{matrix}
       \begin{matrix}
       C{{H}_{2}}OH  \\
       |\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
    \end{matrix}  \\
       CHOH\,\,\,  \\
       |\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
       C{{H}_{2}}OH  \\
    \end{matrix}$  $+\begin{matrix}
       \begin{matrix}
       R'COOH  \\
       +  \\
    \end{matrix}  \\
       R''COOH  \\
       +  \\
       R'''COOH  \\
    \end{matrix}$

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  • 2
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  • 5
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    Assertion $(A) :$ Sucrose is a disaccharide and a non-reducing sugar.

    Reason $(R) :$ Sucrose involves glycosidic linkage between $C_{1}$ of $\beta$-glucose and $C_{2}$ of $\alpha$-fructose.

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