Sulfur dioxide gas turns filter paper moistened with an acidified solution of potassium dichromate from orange to blue-green. The sulfur dioxide is oxidized to sulfate ions. The orange dichromate ions are reduced to blue-green chromium(III) ions. Write down unbalanced half reaction equations and a balanced overall equation for the reaction. The physical states of all the reagents and products must be shown throughout. Unbalanced oxidation half reaction
Science behind corrosion-test
Corrosion is defined as an activity that transforms refined metals into more chemically stable forms such as oxide, hydroxide, carbonate, or sulfide. It refers to the slow decomposition of things (typically metals); thanks to chemical and/or electrochemical reactions with their surroundings. Corrosion engineering is the science of preventing and controlling corrosion.
Corrosion
Corrosion is defined as an activity that transforms refined metals into more chemically stable forms such as oxide, hydroxide, carbonate, or sulfide. It refers to the slow decomposition of things (typically metals); thanks to chemical and/or electrochemical reactions with their surroundings. Corrosion engineering is the science of preventing and controlling corrosion.
Sulfur dioxide gas turns filter paper moistened with an acidified solution of potassium dichromate from
orange to blue-green. The sulfur dioxide is oxidized to sulfate ions. The orange dichromate ions are reduced
to blue-green chromium(III) ions. Write down unbalanced half reaction equations and a balanced overall
equation for the reaction. The physical states of all the reagents and products must be shown throughout.
Unbalanced oxidation half reaction:
Unbalanced reduction half reaction:
Full balanced reaction equation:
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