1.

Ozone on reaction with one of the following reagents uses all its 3 oxygen atoms for oxidation

Answer»

`SO_2`
`SnCl_2` in PRESENCE of HCL
`CH_2 = CH_2`
All

Solution :`SO_2 to SO_3, SnCl_2 to SnCl_4` & ozonolysis use up all oxygen ATOMS of `O_3`


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