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Sulphur trioxide can be obtained by whic...

Sulphur trioxide can be obtained by which of the following reactions :

A

`CaSO_4 + C overset(Delta)to`

B

`Fe_2 (SO_4)_3 overset(Delta)to`

C

`S + H_2 SO_4 overset(Delta)to`

D

`H_2 SO_4 + PCl_5 overset(Delta)to`

Text Solution

Verified by Experts

The correct Answer is:
B
`Fe(SO_4)_3 underset(Delta)to Fe_2 O_3 + SO_3`
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