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Bleaching

Primarygun
in Inorganic Chemistry

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1.Can potassium permanganate be used as a bleach? It donates oxygen atoms to the dye.

2.What's the reaction between con. sulphuric acid and ethanedioic acid (COOH)2?

Dehydration or CO2 will be given out?

When will con. sulphuric acid take out the elements of water of a compound?

I think permanganates are used as industrial bleaches, not for your laundry. I don't think that H2SO4 will react with (COOH)2 because two acids will generally not react with each other. Sulfuric acid, however, does dehydrate many organic compounds. Especially sugars... just be sure to mix sugar and sulfuric acid OUTDOORS :)

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