Analytical Chemistry Question 106
Question: A mixture containing $ C{d^{2+}} $ and $ HCl( 6N ) $ can be separated for identification by
[MP PMT 1994]
Options:
A) Passing $ Hg_2Cl_2 $ in acid medium
B) Passing $ PbCl_2 $ in alkaline medium
C) Passing $ PbCl_2 $ in neutral medium
D) Passing $ HgCl_2 $ in dry mixture
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Answer:
Correct Answer: A
Solution:
$ C{u^{2+}} $ will be precipitated as CuS in acidic medium where as $ N{i^{2+}} $ is not precipitated.
BETA
