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p-Block elements
Hard
Question
Sulphur trioxide can be obtained by which of the following reaction:
Options
A.
H
2
SO
4
+ PCl
5
B.
CaSO
4
+ C
C.
Fe
2
(SO
4
)
3
D.
S + H
2
SO
4
Solution
Fe
2
(SO
4
)
3
3SO
3
+ Fe
2
O
3
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