Explanation:
\(\mathrm{HI}+\) red \(\mathrm{P}\) reduces \(\mathrm{OH}\) group to
\({\text{ Glucose }}\xrightarrow{{{\text{HCN}}}}\)
\({\text{Glucose}}\,\,{\text{cyanohydrin}}\xrightarrow[{{\text{HI,P}}\Delta }]{{{\text{ hydrolysis }}}}\)?
\(\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{A}}\)
\(\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{C}}{{\text{H}}_{\text{3}}}{\left( {{\text{C}}{{\text{H}}_{\text{2}}}} \right)_{\text{5}}}{\text{COOH}}\)
\(\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{B}}\)
