1.

Among the oxides of nitrogen : N2O, N_2O_4 and N_2O_5, the molecules having nitrogen-nitrogen bonds are ............

Answer»

`N_(2)O_(4)` and `N_(2)O_(5)`
`N_(2)O_(4)` and `N_(2)O_(5)`
`N_(2)O_(3)` and `N_(2)O_(4)`
Only `N_(2)O_(5)`

ANSWER :B


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