Question 14
Nitrogen and its CompoundsHydrogen is not liberated when trioxonitrate (V) acid reacts with zinc because
- A.zinc is rendered passive by the acid
- B.hydrogen produced is oxidized to water
- C.oxides of nitrogen are produced
- D.all nitrates are soluble in water
- E.trioxonitrate (v) acid is a strong acid
Show the answer and explanation
Answer: B (hydrogen produced is oxidized to water)
Explanation
Trioxonitrate (V) acid is a powerful oxidising agent. Any hydrogen formed is at once oxidised to water, and the acid is reduced to oxides of nitrogen instead.