A gaseous substance dissolve in water gi...

A gaseous substance dissolve in water giving a pale blue solution which decolouises `KMnO_(4)` and oxidises `Kl` to `l_(2)` in acidic medium :

`N_(2)O_(5)`

`NH_(3)`

`N_(2)O_(3)`

`HNO_(3)`

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The correct Answer is:

`N_(2)O_(3) + H_(2)O rarr HNO_(2)`
`2KMnO_(4) + 5KNO_(2) + 6HCl rarr 2MnCl_(2) + 5KNO_(3) + 3H_(2)O + 2KCl`
`2Kl + 2HNO_(2) + 2HCl rarr 2H_(2)O + 2NO + 3KCl + I_(2)`

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