MHT CET20192 May 2019Morning ShiftChemistryd and f Block ElementsActual
The ionic charges on chromate ion and dichromate ion respectively is
Options
- A- 2 , - 2
- B- 3 , - 2
- C- 2 , - 4
- D- 4 , - 2
Correct answer
A. - 2 , - 2
Step-by-step solution
Chromate and dichromate ions are C r O 4 2 - and C r O 7 2 - respectively.