1.

Which one of the following nitrogen oxides is an anhydride of nitric acid?

Answer»

`N_2O_5`
`N_2O_4`
`N_2O_3`
`N_2O`

SOLUTION :`N_2O_5` is the ANHYDRIDE of nitric ACID as it gives `HNO_3`on adding WATER.
` N_2O_5 + H_2Oto2HNO_3`


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