18. Решение задачи по химии №001 868

2. Pour 4-5 drops of potassium dichromate solution into one test tube, and the same amount of potassium permanganate solution into another. Add 3 drops of dilute sulfuric acid to both tubes. Heat the first test tube slightly. Then add 4 drops of hydrogen peroxide solution to both tubes. Bring a smoldering torch to the opening of the test tubes to determine which gas is released. Write the reaction equation. By calculating the EMF, determine the possibility of reactions occurring under standard conditions.

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