956
Question 956
What is the name of the ion MnO4^2-?
957
Question 957
What is the oxidation state of manganese in the manganate ion (MnO4^2-) formed during KMnO4 preparation?
958
Question 958
Which alkali metal hydroxide is specifically mentioned in the preparation of potassium permanganate?
959
Question 959
What is the purpose of adding potassium chloride to a solution of sodium dichromate during the preparation described?
960
Question 960
In the reaction Cr2O7^2- + 14 H+ + 6 Fe^2+ -> 2 Cr^3+ + 6 Fe^3+ + 7 H2O, which species is the reducing agent?