When potassium dichromate is treated with dilute sulphuric acid, it forms:
Chromium sulphate
Ferrochrome
Chromate
Chromyl chloride
When potassium dichromate is treated with dilute sulphuric acid, it forms chromium sulphate.
K2Cr2O7 + 4H2SO4 Cr2(SO4)3 + K2SO4 + 4H2O +3 [O]
What happens when K2Cr2O7 is treated with KI?
The products formed when SO2 reacts with acidified potassium dichromate solution is :