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Byju's Answer
Standard XII
Chemistry
Borax
Which of the ...
Question
Which of the following precipitate is insoluble in yellow ammonium sulphide?
A
A
s
2
S
3
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B
S
b
2
S
3
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C
C
u
S
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D
S
n
S
2
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Solution
The correct option is
C
C
u
S
C
u
+
(
N
H
4
)
2
S
⟶
C
u
S
+
N
H
4
↓
↓
A
m
m
o
n
i
u
m
s
u
l
f
i
d
e
p
p
t
A
m
m
o
n
i
u
m
s
u
l
f
i
d
e
is yellow in color.
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0
Similar questions
Q.
Assertion :
S
b
2
S
3
is not soluble in yellow ammonium sulphide. Reason: The common ion effect due to
S
2
−
ions reduce solubility of
S
b
2
S
3
.
Q.
Yellow ammonium sulphide (
Y
A
S
) can be used to separate
S
n
S
and
A
s
2
S
3
.
Q.
A
s
2
S
3
is soluble in
(
N
H
4
)
2
S
2
(yellow ammonium sulphide) due to the formation of
(
N
H
4
)
3
A
s
S
4
.
If the given statement is true enter 1 else enter 0.
Q.
Which of the following are soluble in excess of
N
a
O
H
?
(X) :
A
s
2
S
3
; (Y) :
C
u
S
; (Z) :
A
l
C
l
3
Q.
A precipitate of _______ would be obtained when HCl is added to a solution of stannous sulphide (SnS) in yellow ammonium sulphide.
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