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Question
Chemistry
Sulphur trioxide can be obtained by which of the following reaction?
Q. Sulphur trioxide can be obtained by which of the following reaction?
2622
259
AIPMT
AIPMT 2012
The p-Block Elements - Part2
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A
C
a
S
O
2
+
C
⟶
Δ
10%
B
F
e
2
+
(
S
O
4
)
3
⟶
Δ
46%
C
S
+
H
2
S
O
4
⟶
Δ
27%
D
H
2
S
O
4
+
PCl
⟶
Δ
17%
Solution:
(
a
)
C
a
S
O
4
+
C
△
C
a
O
+
S
O
2
+
CO
(b)
F
e
2
(
S
O
4
)
3
△
F
e
2
O
3
+
3
S
O
3
(c)
S
+
2
H
2
S
O
4
△
3
S
O
2
+
2
H
2
o
(d)
H
2
S
O
4
+
PC
I
5
△
S
O
3
H
C
I
Chloro sulphonic acid +
POC
I
3
+ HCI
Thus,
S
O
3
is obtained by heating
F
e
2
(
S
O
4
)
3