Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Cation 
and Z do not give precipitates with hydrochloric acid but form precipitate with hydrogen sulphide in dilute mineral acid medium. While sulphide of 
are insoluble in ammonium polysulphide, the sulphide of 
is soluble. Then out of the following 
and Z are respectively
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
If 
and 
do not form ppt with dil HCl and form ppt with dil 
in mineral acid it means cation 
and Z belong to 
group. X and Y are insoluble in ammonium poly sulphide it means X and Y belongs to 
and Z belongs to 
.
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