Match the reactions of column I with their types given in column II and mark the appropriate choice.
Column I | Column II | ||
A | H2O+NH3⇌NH+4+OH | i | Self ionisation of H2O |
B | FeCl3+3H2O→Fe(OH)3+3HCl | ii | Decomposition |
C | H2O+H2O⇌H3O++OH | iii | Acidic nature of H2O |
D | 2H2O→2H2+O2 | iv | Hydrolysis |