MCQ
Ferrous sulphate on heating gives
- A$SO_2$ and $SO_3$
- B$SO_2$ only
- ✓$SO_3$ only
- D$H_2S$ only
${S^{2 - }}\, + \,{[Fe{(CN)_5}NO]^{2 - }}\, \to \,\mathop {{{[Fe{{(CN)}_5}NOS]}^{4 - }}}\limits_{violet} $
Thus $S^{2-}$ and $SO_3^{2-}$ can be distinguished by using both the given reagents.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$C{l_2}\,(1\,{\mkern 1mu} atm)|\,\,(C{l^ - }(1{\mkern 1mu} M)||C{l^ - }\,(0.1{\mkern 1mu} M)|\,\,C{l_2}\,(2\,{\mkern 1mu} atm)$