what chemical changes when pH of chromate solution is progressively lowered
Dear student,
Chromate ion is stable at basic condition and as the pH increases, chromate ion changes to form dichromate ion as,
Regards
Chromate ion is stable at basic condition and as the pH increases, chromate ion changes to form dichromate ion as,
| 2CrO42– | + | 2H+ |  | 2HCrO4– |  | Cr2O72– | + | H2O |
| Chromate (Yellow) | Hydrogen Chromate | Dichromate ( |