How does sodium disulfate react with iodine (lab experiment on lipids)?

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How does sodium disulfate react with iodine (lab experiment on lipids)?

2007-02-03 20:37:01 · 2 answers · asked by bea 2 in Science & Mathematics ➔ Chemistry

2 answers

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2007-02-03 20:39:42 · answer #1 · answered by jack 1 · 0⤊ 1⤋

Sodium disulphate is not a recognised compound. Perhaps you mean sodium thiosulphate? This reacts with iodine in an extremely well-known way:

2(S2O3)2- + I2 ---> (S4O6)2- + 2I-

The end-point (if you add a bit of starch solution) is the absence of blue colour.

2007-02-03 20:47:20 · answer #2 · answered by Gervald F 7 · 1⤊ 0⤋