A) passing \[{{H}_{2}}S\] in acid medium
B) passing \[{{H}_{2}}S\] in alkaline medium
C) passing \[{{H}_{2}}S\] in neutral medium
D) passing \[{{H}_{2}}S\] in dry mixture
Correct Answer: A
Solution :
Passing \[{{H}_{2}}S\] gas in acid medium\[C{{u}^{2+}}\] precipitated as \[CuS\] while \[N{{i}^{2+}}\] doesnt precipitated.You need to login to perform this action.
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