Question 1051
What is a major industrial use of potassium dichromate (K2Cr2O7)?
Question 1052
Which of the following reactions represents the disproportionation of manganese(VI) in acidic solution?
Question 1053
What is the main acidic oxoanion formed when V2O5 reacts with an alkali?
Question 1054
Which of the following transition metal oxides is described as amphoteric, though mainly acidic?
Question 1055
What type of acid does CrO3 give when it reacts with water?