MCQ
Unit of unsaturation in compound $(A)$ ?


- A$7$
- B$8$
- ✓$9$
- D$10$

$D. B. E. = 7$
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$S{O_2}C{l_2}(g) \rightleftharpoons S{O_2}(g) + C{l_2}(g)$
$CO(g) + C{l_2}(g) \rightleftharpoons COC{l_2}(g)$
on adding more $SO_2$ at equilibrium what will happen?


$\begin{array}{*{20}{c}} A \\ {{\text{(simplest optically active alkene)}}} \end{array}\,\xrightarrow[{(ii)\,{X_2}/\Delta }]{{(i)\,{H_2}/Ni/\Delta }}$