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Oleum is: H2S2O7, H2S2O6, H4S2O7, H3S2O7...

Oleum is: `H_2S_2O_7`, `H_2S_2O_6`, `H_4S_2O_7`, `H_3S_2O_7`.

A

`H_2 SO_3`

B

`H_2 SO_3`

C

`H_2 S_2 O_7`

D

`H_2 S_2 O_8`

Text Solution

Verified by Experts

The correct Answer is:
C
Oleumis `H_2 S_2 O_7`formed by passing `SO_3` through `H_2 SO_4`.
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