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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

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Answered by Eleanor C. • Chemistry tutor

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