Oleum or fuming H2SO4 is:...

Oleum or fuming `H_2SO_4` is:

A

A mixture of conc.`H_2SO_4` and oil

B

Sulphuric acid which gives fumes of sulphur dioxide

C

Sulphuric acid saturated with Sulphur trioxide, i.e., `H_2S_2O_7`

D

A mixture of sulphuric acid and nitric acid

Text Solution

Verified by Experts

The correct Answer is:

C

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