Question
Glucose reacts with Tollens' reagent to give a derivative of
A.
monocarboxylic acid
B.
dicarboxylic acid
C.
ketone
D.
keto acid
Answer :
monocarboxylic acid
Solution :
\[\underset{\begin{smallmatrix}
|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
C{{H}_{2}}OH\,\,\,\,\,\,\,\,
\end{smallmatrix}}{\overset{\begin{smallmatrix}
CHO\,\,\,\,\,\,\,\, \\
|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,
\end{smallmatrix}}{\mathop{{{\left( CHOH \right)}_{4}}}}}\,\xrightarrow[N{{H}_{4}}OH]{AgN{{O}_{3}}}\underset{\begin{smallmatrix}
|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
C{{H}_{2}}OH\,\,\,\,\,\,\,
\end{smallmatrix}}{\overset{\begin{smallmatrix}
CO{{O}^{-}}\,\,\,\,\,\, \\
|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,
\end{smallmatrix}}{\mathop{{{\left( CHOH \right)}_{4}}}}}\,\]