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Byju's Answer
Standard XII
Physics
Problem Solving
Ag 2 S O 4 gi...
Question
A
g
2
S
O
4
gives white ppt with hypo changing to black after sometime. Black ppt is of
A
A
g
2
S
2
O
3
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B
A
g
2
S
O
4
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C
A
g
2
S
4
O
6
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D
A
g
2
S
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Solution
The correct option is
B
A
g
2
S
The black ppt is due to formation of
A
g
2
S
N
a
2
S
2
O
3
+
2
A
g
N
O
3
→
A
g
2
S
2
O
3
w
h
i
t
e
w
a
t
e
r
−
−−
→
A
g
2
S
b
l
a
c
k
+
H
2
S
O
4
Suggest Corrections
0
Similar questions
Q.
Hypo gives white
(
A
g
2
S
2
O
3
)
ppt with
A
g
N
O
3
which changes to black
(
A
g
2
S
)
.
If the given statement is true enter 1 else 0.
Q.
A
g
2
C
r
O
4
ppt is soluble in
:
Q.
A
g
2
C
r
O
4
(brick red ppt) is soluble in
:
Q.
Aqueous solution of A can dissolve
A
g
B
r
forming a soluble complex B. A also reacts with aqueous
A
g
N
O
3
solution giving white ppt. C changing to black ppt D. (A) is the hypo solution
(
N
a
2
S
2
O
3
)
, (B) is
N
a
3
[
A
g
(
S
2
O
3
)
2
]
, (C) is
A
g
2
S
2
O
3
and (D) is
A
g
2
S
.
If true enter 1, else enter 0.
Q.
A
g
N
O
3
gives white ppt. with hypo changing to black
after some-time. Black ppt is of :
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