MCQ
Bleaching action of $S{O_2}$ is due to
- ✓Reduction
- BOxidation
- CHydrolysis
- DIts acidic nature
Coloured flower $ + \,2[H] \to $Colourless flower
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$\underset{1}{\mathop{\begin{matrix}
O\,\,\,\,\,\,\,\,\,\,\,\, \\
||\,\,\,\,\,\,\,\,\,\,\,\,\, \\
C{{H}_{3}}COCHC{{H}_{3}} \\
\end{matrix}}}\,$ $\underset{2}{\mathop{\begin{matrix}
\,\,\,\,O \\
\,\,\,\,|| \\
C{{H}_{3}}CCl \\
\end{matrix}}}\,$ $\underset{3}{\mathop{\begin{matrix}
O\,\,\,\,\,\,\,\,\, \\
||\,\,\,\,\,\,\,\,\, \\
C{{H}_{3}}CNHC{{H}_{3}} \\
\end{matrix}}}\,$
| column $I$ Metals | column $II$ Coordination compounds |
| $a.$ $Co$ | $i.$ Wilkinson catalyst |
| $b.$ $Zn$ | $ii.$ Chlorophyll |
| $c.$ $Rh$ | $iii.$ Vitamin $B_{12}$ |
| $d.$ $Mg$ | $iv.$ Carbonic anhydrase |