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Byju's Answer
Standard XII
Chemistry
Sulphuric Acid
Which of the ...
Question
Which of the following dissolves in
H
2
S
O
4
to given oleum?
A
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B
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C
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D
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Solution
The correct option is
D
H
2
S
O
4
+
S
O
3
→
H
2
S
2
O
7
(oleum)
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1
Similar questions
Q.
Oleum is considered as a solution of
S
O
3
in
H
2
S
O
4
, which is obtained by passing
S
O
3
in solution of
H
2
S
O
4
. When
100
g
sample of oleum is diluted with desired weight of
H
2
O
, the total mass of
H
2
S
O
4
will be for example, a oleum bottle labelled as
109
%
H
2
S
O
4
, means the
109
g total mass of pure
H
2
S
O
4
will be formed when
100
g of oleum is diluted by
9
g
of
H
2
O
, which combines with all the free
S
O
3
to form
H
2
S
O
4
as
S
O
3
+
H
2
O
→
H
2
S
O
4
.
What is the
%
of free
S
O
3
in an oleum that is labelled as
104.5
%
H
2
S
O
4
?
Q.
Acidified
K
2
C
r
2
O
7
oxidizes
H
2
S
to
Q.
Which gas dissolves in
H
2
S
O
4
to give oleum?
Q.
Which one of the gas dissolves in
H
2
S
O
4
to give oleum?
Q.
The acidic oxides formed when carbon reacts conc.
H
2
S
O
4
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