A colorless solid ‘X’ liberates a brown gas ‘Y’
Compound ‘X’ on treatment with NaOH gave an alkaline gas ‘Z’ which gives brown ppt with Nessler’s reagent. Compound ‘X’ on heating gave a neutral gas ‘T’ which was colorless and non reactive.
Compound ‘X’ when heated decomposes to give `N_(2) + H_(2)O`. So compound X is

Options

A. `NH_(4)NO_(3)`
B. `NH_(4)NO_(2)`
C. `NH_(4)NO`
D. `N_(2)`