Published by:
CGP EDU Academic Team
Published on: August 13, 2026
In qualitative analysis, in order to detect second group basic radical, 
gas is passed in
the presence of dilute HCl to
A
Increase in dissociation of 
B
Decrease the dissociation of salt solution
C
Decrease the dissociation of 
D
Increase the dissociation of salt solution
Text Solution
Verified by ExpertsThe correct answer is:
C
HCl suppresses ionization of weakly dissociated 
, with the result, only the ionic product
of the sulfides of group II radicals exceed their corresponding solubility product, hence, only these are precipitated.
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