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Standard XII
Chemistry
Potassium Dichromate
On reaction o...
Question
On reaction of hydrogen peroxide with hydrogen sulphide gives :
A
sulphuric acid
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B
H
2
S
O
3
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C
S
O
2
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D
S
O
3
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Solution
The correct option is
A
sulphuric acid
4
H
2
O
2
+
H
2
S
⟶
H
2
S
O
4
+
4
H
2
O
Therefore, when
h
y
d
r
o
g
e
n
p
e
r
o
x
i
d
e
(
H
2
O
2
)
is made to react with
H
2
S
(
h
y
d
r
o
g
e
n
s
u
l
p
h
i
d
e
)
,
s
u
l
p
h
u
r
i
c
a
c
i
d
is produced.
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Q.
Give balanced chemical equations for the following reactions:
(i) Fluorine is passed through cold, dilute
N
a
O
H
solution.
(ii) Hydrogen peroxide is treated with acidified
K
M
n
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4
solution.
(iii) Sulphuric acid is treated with hydrogen sulphide.
Q.
When the gases; sulphur dioxide and hydrogen sulphide mix in the presence of water, the reaction
S
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2
+
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2
S
→
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O
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S
occurs.
Here hydrogen sulphide is acting as :
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Q.
When the gases sulphur dioxide and hydrogen sulphide mix in the presence of water, the reaction is as shown. Here, hydrogen sulphide is acting as:
S
O
2
+
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H
2
S
→
2
H
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+
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S
.
Q.
When hydrogen sulphide is reacted with sulphuric acid, which products are formed?
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