Periodic acid functions to accomplish which change?

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Multiple Choice

Periodic acid functions to accomplish which change?

Explanation:
Periodic acid is used as an oxidizing agent in histochemical staining, especially in the periodic acid-Schiff (PAS) reaction. It oxidizes certain carbohydrate structures, specifically vicinal diols, to generate aldehyde groups. Those newly formed aldehydes then react with Schiff reagent to produce the characteristic magenta color. Therefore, the change accomplished by periodic acid is oxidation. It does not cause reduction, dehydration, or staining by itself; the staining result comes from the Schiff reaction with the aldehydes produced by oxidation.

Periodic acid is used as an oxidizing agent in histochemical staining, especially in the periodic acid-Schiff (PAS) reaction. It oxidizes certain carbohydrate structures, specifically vicinal diols, to generate aldehyde groups. Those newly formed aldehydes then react with Schiff reagent to produce the characteristic magenta color. Therefore, the change accomplished by periodic acid is oxidation. It does not cause reduction, dehydration, or staining by itself; the staining result comes from the Schiff reaction with the aldehydes produced by oxidation.

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