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SO3 when absorbed in 98% H2SO4 it forms...

`SO_3` when absorbed in 98% `H_2SO_4` it forms

A

More concentrated `H_2SO_4 `

B

`H_2SO_3`

C

`H_2S_2O_8`

D

`H_2S_2O_7`

Text Solution

Verified by Experts

The correct Answer is:
D
`H_2SO_4 +SO_3to underset("Oleum")(H_2S_2O_7)`
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