Question 976
Which method is described for the commercial preparation of potassium permanganate?
Question 977
According to the provided text, what happens to sulphide ions when they react with acidified potassium dichromate?
Question 978
What is the final ionic product containing chromium when acidified potassium dichromate acts as an oxidizing agent?
Question 979
Which of the following is NOT listed as a substance oxidized by acidified potassium dichromate in the text?
Question 980
What is one of the products formed when acidified potassium dichromate reacts with iron(II) salts?