Qualitative Analysis - Result Question 22
####22. The ion that cannot be precipitated by both $HCl$ and $H _2 S$ is
(a) $Pb^{2-}$
(b) $Cu^{+}$
(c) $Ag^{+}$
(d) $Sn^{2+}$
$(1982,1 M)$
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Answer:
Correct Answer: 22. (c)
Solution:
- $Ag^{+}$is precipitated by $HCl$ only while all others are precipitated by passing $H _2 S$ in the presence of $HCl$.
