What is formed when hematoxylin is subjected to the action of sodium iodate?

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Multiple Choice

What is formed when hematoxylin is subjected to the action of sodium iodate?

Explanation:
Oxidation of hematoxylin to hematein forms the active staining agent. Sodium iodate acts as an oxidizing agent that converts hematoxylin into hematein. Hematein is the color-bearing species that then binds with a mordant (like aluminum or iron) to produce the nuclear stain. Hemin and hemoglobin are unrelated compounds, and hematoxylin itself is the dye that becomes hematein upon oxidation. Thus, the formed compound is hematein.

Oxidation of hematoxylin to hematein forms the active staining agent. Sodium iodate acts as an oxidizing agent that converts hematoxylin into hematein. Hematein is the color-bearing species that then binds with a mordant (like aluminum or iron) to produce the nuclear stain. Hemin and hemoglobin are unrelated compounds, and hematoxylin itself is the dye that becomes hematein upon oxidation. Thus, the formed compound is hematein.

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