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Byju's Answer
Standard XII
Chemistry
Oxides of Sulphur
Which of the ...
Question
Which of the following is used to absorb sulphur dioxide?
A
Conc.
H
2
S
O
4
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B
KOH solution
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C
Water
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D
Anhydrous
C
a
C
l
2
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Solution
The correct option is
B
Conc.
H
2
S
O
4
Conc
H
2
S
O
4
is used to absorb sulphur dioxide.
S
O
2
+
H
2
S
O
4
→
H
2
S
2
O
6
.
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0
Similar questions
Q.
The oxidation number of sulphur in
H
2
S
O
4
is :
Q.
Which of the following options are correct regarding the manufacture of
H
2
S
O
4
by Contact process?
The statements given below are regarding the contact process for the manufacture of
H
2
S
O
4
.
(a) Manufacture of
S
O
2
from sulphur is a reversible process.
(b) High pressure, optimum temperature and specific catalyst is required to obtain a better yield of
S
O
3
.
(c)
S
O
3
is hydrolysed to get
H
2
S
O
4
.
(d) Pyrosulphuric acid is hydrolysed to get
H
2
S
O
4
.
Q.
In the Contact process, sulphur trioxide is not converted to sulphuric acid by reacting it with water. Instead a two-step procedure is used. The equations for the two steps involved are:
S
O
x
+
H
2
S
O
4
→
H
2
S
2
O
y
H
2
S
2
O
7
+
H
2
O
→
2
H
2
S
O
4
Find the value of x and y
:
Q.
Calculate the percentage of sulphur in
H
2
S
O
4
.
Q.
Calculate the molecular mass (u) of Sulphuric acid (
H
2
S
O
4
).
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