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p-Hydroxyazobenzene is also known as |
Yellow dye Red dye Orange dye Violet dye |
Orange dye |
The correct answer is (3) Orange dye. p-Hydroxyazobenzene is an orange-colored azo dye that is commonly used in various applications, including coloring textiles, plastics, and cosmetics. It is synthesized by coupling benzene diazonium chloride with phenol under alkaline conditions. The orange color of p-hydroxyazobenzene arises from the extended conjugation of the azo group with the benzene rings. |