1.

The acid in which O - O bonding is present, is

Answer»

`H_2S_2O_3`
`H_2S_2O_6`
`H_2S_2O_8`
`H_2S_4O_6`

SOLUTION :`H_2S_2O_8` has the FOLLOWING structure :
`HO-underset(O)underset(|)overset(O)overset(||)(S)-O-O-underset(O)underset(||)overset(O)overset(||)S-OH`
This is known as Marshall.s acid. It contains O - O BOND.


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