MCQ
Peroxo acids of sulphur are
- A$H_2SO_5, \,H_2SO_3$ and $H_2S_2O_8$
- B$H_2SO_4, \,H_2S_2O_8$ and $H_2SO_3$
- C$H_2S_2O_7, \,H_2SO_3$ and $H_2SO_4$
- ✓$H_2S_2O_8$ and $H_2SO_5$
✓
Answer
Correct option: D.
$H_2S_2O_8$ and $H_2SO_5$
d
$CO _{3}{ }^{2-}$ will give $CO _{2}( g )$ which will turns lime water milky.
$CO _{3}{ }^{2-}$ will give $CO _{2}( g )$ which will turns lime water milky.
$S ^{2-}$ will give $H _{2} S ( g )$, will turns lead acetate paper black.
$SO _{3}{ }^{2-}$ will give $SO _{2}( g )$, which will turns acidified potassium dichromate solution green.
$NO _{2}^{-}$will give brown $NO _{2}( g )$ will turn $KI$ solution blue.
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