Analytical Chemistry Question 119
Question: $ H_2S $ is passed through an acidified solution of $ Ag, $ $ Cu $ and $ Zn $ . Which forms precipitate
[BHU 1998]
Options:
A) $ Ag $
B) $ Zn $
C) $ Cu $
D) None of these
Show Answer
Answer:
Correct Answer: C
Solution:
$ C{u^{2+}}+H_2S\underset{\text{black ppt}\text{.}}{\mathop{\to CuS\downarrow }} $