What 2 reagents are required to form NO2+ (state conditions)? Write an equation for this reaction.

Concentrated sulphuric acid (H2SO4) and concentrated nitric acid (HNO3).H2SO4 + HNO3 -> HSO4- + H2NO3+H2NO3+ <-> (equilibrium arrow, do not penalise if normal arrow used) H2O + NO2+Alternatively accept: HNO3 + H2SO4 -> NO2+ + HSO4- + H2O

EC

Related Chemistry A Level answers

All answers ▸

Pure water has a boiling point of 100 °C and a freezing point of 0 °C. What is the boiling point and freezing point of a sample of aqueous sodium chloride?


Using principles of structure and bonding, explain why sulfur has a higher melting point than phosphorus


Explain why benzene is colourless whereas azo dyes (such as methyl yellow) are coloured.


How do I know if an enthalpy change should be positive or negative?