A) Copper
B) Arsenic
C) Cadmium
D) Lead
Correct Answer: C
Solution :
\[C{{d}^{2+}}\]is not precipitated by \[{{H}_{2}}S\]in concentrated acid solution that is why the solution is diluted before passing \[{{H}_{2}}S\]through it.You need to login to perform this action.
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