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Standard XII
Chemistry
Oxyacids Of Sulphur
Question
What is the molecular formula of Oleum?
H
2
S
O
3
H
2
S
O
5
H
2
S
2
O
8
H
2
S
2
O
7
A
H
2
S
2
O
7
B
H
2
S
2
O
8
C
H
2
S
O
3
D
H
2
S
O
5
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Solution
Verified by Toppr
Oleum is
H
2
S
2
O
7
.
It is obtained by dissolving sulphur trioxide gas in sulphuric acid.
H
2
S
O
4
+
S
O
3
→
H
2
S
2
O
7
Hence, option
C
is correct.
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Similar Questions
Q1
Find the number of acid(s) which are having peroxy linkage from the following:
H
3
P
O
5
,
H
2
S
O
5
,
H
2
S
2
O
7
,
H
2
S
2
O
8
,
H
C
l
O
4
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Q2
What is molecular formula of oleum?
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Q3
As compared to
H
2
S
O
5
,
H
2
S
2
O
8
:
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Q4
Atomicity of oleum
(
H
2
S
2
O
7
)
is:
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Q5
Peroxy acids of sulphur among the following are:
H
2
S
2
O
8
,
H
2
S
O
5
,
H
2
S
2
O
7
,
H
2
S
2
O
3
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