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A mixture of (Zn^(+2),Mn^(+2),Ni^(+2),Co...

A mixture of `(Zn^(+2),Mn^(+2),Ni^(+2),Co^(+2))` radicals on reaction with `H_(2)S` gas gives 'x' no. of metal sulphide precipitate and on further reaction with HCl gives 'y' no. of metal chlorides as precipitates. Find the value of `(x+y)` ?

Text Solution

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The correct Answer is:
6
`Zn^(+2),Mn^(+2),Ni^(+2),overset(H_(2)S)(rarr) ZnS, MnS, CoS, NiS (x=3)`
Chlorides of above metal ions are soluble.
Only ZnS and MnS Soluble in HCl.
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