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Chemistry
Sulphur trioxide can be obtained by which of the following reaction?
Q. Sulphur trioxide can be obtained by which of the following reaction?
2509
217
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