MCQ
Sucrose is
- ALaevorotatory
- ✓Dextrorotatory
- CRacemic mixture
- DOptically inactive

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$\begin{array}{*{20}{c}}
{C{H_3}\,\,\,} \\
{|\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3} - CH - COOH}
\end{array}$ $\xrightarrow[{{H_3}{O^ + }}]{{LiAl{H_4}}}$ $I\,\xrightarrow{{PB{r_3}}}II\,\xrightarrow[{ether}]{{Mg}}$ $III\,\xrightarrow{{C{O_2}}}IV\,\xrightarrow{{{H_2}{O^ + }/{H^ + }}}V$
hence $A$ $\xrightarrow{{conc.\,{H_2}S{O_4}}}$ $B,$ $B$ is :
$(a)$ ${CrO}_{3}$ $(b)$ ${Fe}_{2} {O}_{3}$ $(c)$ ${MnO}_{2}$ $(d)$ ${V}_{2} {O}_{5}$ $(e)$ ${Cu}_{2} {O}$