MCQ
Glucose is a
- ✓Monosaccharide
- BDisaccharide
- CTrisaccharide
- DPolysaccharide
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${\left[ {\begin{array}{*{20}{c}}
{\,\,\,\,\,\,O} \\
{\,\,\,\,\,\,||} \\
{C{H_2} = N = O}
\end{array}} \right]^\Theta }$
$Ba{\left( {{N_3}} \right)_2}\xrightarrow{\Delta }Ba + {N_2} \uparrow $

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$D$-Erythrose and its isomers are listed as $P , Q , R$, and $S$ in Column-$I$. Choose the correct relationship of $P , Q , R$, and $S$ with D-erythrose from Column $II$.
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