A) \[C{{u}^{+2}},N{{i}^{+2}}\]
B) \[N{{i}^{+2}}\]
C) \[C{{u}^{+2}},Z{{n}^{+2}}\]
D) \[C{{u}^{+2}}\]
Correct Answer: D
Solution :
When \[{{H}_{2}}S\] gas is passed through the mixture of \[C{{u}^{+2}},\] \[N{{i}^{+2}}\]and \[Z{{n}^{+2}}\] in acidic solution, \[C{{u}^{+2}}\]ions get precipitated.You need to login to perform this action.
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