1.

A light greenish coloured salt was soluble in water. On passing H_(2)S into the solution a black precipiate was obatined which dissolve readily in HCl. The metal ion present is

Answer»

`CO^(+2)`
`Fe^(2+)`
`NI^(+2)`
`Mn^(+2)`

Solution :FeS is soluble in HCl. ALSO `Fe^(2+)` salts are green.


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