MCQ
Oxygen does not react with
- A$P$
- B$Na$
- C$S$
- ✓$Cl$
$P _4+5 O _2 \longrightarrow P _4 O _{10}$
$S + O _2 \longrightarrow SO _2$
$4 Na + O _2 \longrightarrow 2 Na _2 O$
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$(a)$ $HCHO$ $(b)$ $C_6H_5-CHO$
$(c)$ $\begin{array}{*{20}{c}}
{\,\,C{H_3}} \\
{\,|\,\,\,\,\,} \\
{C{H_3} - C - CHO} \\
{|\,\,\,} \\
{\,\,C{H_3}\,}
\end{array}$ $(d)$ $Ph-CH_2-CHO$

$A$, (molecular formula $\left.\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{2}\right)$ with a straight chain structure gives a $C_{4}$ carboxylic acid. $A$ is :
$A \frac{{Li} {A} {H} {H}_{4}}{{H}_{3} {O}^{+}} \longrightarrow B \stackrel{\text { Oxidation }}{\longrightarrow} {C}_{4}-$ carboxylic acid