A non-metal X reacts with conc. nitric acid to form carbon dioxide, water and nitrogen dioxide. What is X?
Sulphur
Carbon
Phosphorous
Nitrogen
Carbon reacts with conc. nitric acid to form carbon dioxide, water and Nitrogen dioxide.
C+4HNO3→CO2+2H2O+4NO2
A non-metal X reacts with concentrated nitric acid to form carbon dioxide, water and nitrogen dioxide. What is X?
Nitrogen dioxide reacts with carbon dioxide to form nitric acid.
Oxides of nitrogen react with water to form acids. Hence, the statement "Nitrogen dioxide reacts with water to form nitric acid." is true.