MCQ
Bleaching action of $S{O_2}$ is due to its
- AOxidising property and nitrogen
- BAcidic property
- CBasic property
- ✓Reducing property
$S{O_2} + 2{H_2}O \to {H_2}S{O_4} + 2H$
Coloured matter + $H$ $ \to $ Colourless matter
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$(i)$ ${C_4}{H_5}N{H_2}$ $(ii)$ $C{H_3}N{H_2}$
$(iii)$ ${(C{H_3})_2}NH$ $ (iv)$ ${(C{H_3})_3}N$
The molar mass of the biopolymer is $.....\,\times 10^{4} \,\mathrm{~g}\,\mathrm{~mol}^{-1}$. (Round off to the Nearest Integer)
[Use : $\mathrm{R}=0.083\, \mathrm{~L}\, bar \,\mathrm{mol}^{-1} \,\mathrm{~K}^{-1}$ ]
$\underset{(1)}{\mathop{C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}{{O}^{-}}}}\,\,\,\,\,\,\underset{(2)}{\mathop{C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}{{S}^{-}}}}\,\,\,\,\underset{(3)}{\mathop{\begin{matrix}
\,\,\,\,\,\,\,O \\
\,\,\,\,\,\,\,\,|| \\
C{{H}_{3}}C{{H}_{2}}C-{{O}^{-}} \\
\end{matrix}}}\,$