How does zinc react with various concentrations of nitric acid ?
1. When zinc reacts with very dilute nitric acid it produces NH4.NO3.
4Zn + 10HNO3(dilute) 4Zn(NO3)2+ NH4NO3+ 3H2O
2. Zinc reacts with dilute Nitric acid to produce Zinc nitrate, nitric oxide and water
3Zn + 8HNO 3Zn(NO) + 2NO + 4HO
3. Zinc reacts with concentrated Nitric acid to produce Zinc nitrate, nitrogen dioxide and water.
Zn + 4HNO Zn(NO) + 2NO + 2HO