InterviewSolution
Saved Bookmarks
| 1. |
When KOH solution is added to potassium dichromate solution,the colour of solution changes to yellow because :A. chromate ion changes to dichromate ionB. dichromate ion changes to chromate ionC. oxidation number of chromium changes from +6 to +4D. oxidation number of chromium changes from +4 to +6 |
| Answer» Correct Answer - A::B::C::D | |