In the experiment above. Z can be
a solution of sodium dioxonitrate (lll) and ammonium chloride
a solution of lead trioxnitrate (V)
a solution of sodium trioxonitrate (V) and ammonium chloride
concentrated tetraoxosulphate (VI) acid and sodium trioxonitrate (V)
Correct answer is C
Nitrogen(I) oxide(laughing gas) can be prepared in the laboratory by the action of heat on a mixture of sodium trioxonitrate (V) and ammonium chloride, this colourless gas is collected over water.