Analytical Chemistry Question 106
A mixture containing $ Cd^{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 is not feasible due to the hydrolysis of PbCl₂ in alkaline conditions, leading to the formation of Pb(OH)₂ and the release of HCl.
C) Passing $ PbCl_2 $ in acidic medium
D) Passing $ HgCl_2 $ in dry gas 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
