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Which of the following oxides exists as ...

Which of the following oxides exists as trigonal planar molecule in gaseous state and a cyclic trimer in the solid state ?

A

`SO_2`

B

`SeO_2`

C

`SO_3`

D

`SeO_3`

Text Solution

Verified by Experts

The correct Answer is:
C
`SO_3` is trigonal in the gaseous state but in solid state it exists as cyclic trimer.
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