Question 906
What is the color change observed when a solution containing chromate ions is made more acidic?
Question 907
What is the color change observed when a solution containing dichromate ions is made more basic?
Question 908
What is the main product formed when acidified potassium dichromate oxidizes iron(II) salts according to the text?
Question 909
What is the main product formed when acidified potassium dichromate oxidizes hydrogen sulphide according to the text?
Question 910
What is the main product formed when acidified potassium dichromate oxidizes iodide ions according to the text?