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Question
Chemistry
Which of the following compounds is not soluble in HNO3 ?
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Q. Which of the following compounds is not soluble in $HNO_3$ ?
AIIMS
AIIMS 1995
A
PbS
B
CuS
C
AgCl
D
CdS
Solution:
$PbS + 2HNO_3 \to Pb(NO_3)_2 + H_2S$
$CuS + 2HNO_3 \to Cu(NO_3)_2 + H_2 S$
$CdS + 2HNO_3 \to Cd(NO_3)_2 + H_2S$