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Question
Account for the following:
What happens when D – glucose is treated with the following reagents
HNO3
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Solution
\[\begin{array}{cc}
\phantom{......}\ce{CHO}\phantom{.............}\ce{COOH}\phantom{.............}\ce{COOH}\phantom{......}\\
\phantom{...}|\phantom{..................}|\phantom{...................}|\phantom{........}\\
\phantom{.}\ce{(CHOH)4 ->[Oxidation] (CHOH)4 <-[Oxidation] (CHOH)4}\\
\phantom{...}|\phantom{..................}|\phantom{...................}|\phantom{........}\\
\phantom{.....}\ce{CH2OH}\phantom{...........}\ce{\underset{\underset{acid}{Saccharic}}{COOH}}\phantom{.............}\ce{\underset{\underset{acid}{Gluconic}}{CH2OH}}\phantom{....}
\end{array}\]
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\[\begin{array}{cc}
\ce{C6H12O6 ->[Acetic anhydride] A}\\
\downarrow \text{Conc. nitric acid}\phantom{...}\\
\ce{B}\phantom{.................}\end{array}\]
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