An orange precipitate in the second group is given by

Options

A. `Sn^(2+)`
B. `Sb^(3+)`
C. `Hg^(2+)`
D. `As^(3+)`

Answer

B

Explanation

`Sb^(3+)` with `H_(2)S` in presence of dil. HCl gives `Sb_(2)S_(3)` ( orange ppt)
while `Hg^(2+)` gives HgS (black ppt)
`As^(3+)` gives `As_(2)S_(3)`(yellow ppt)
`Sn^(2+)` gives SnS ( brown ppt)