Chemistry · Dyes and Pigments
Which of the following statements is NOT correct regarding azo dyes?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1They contain one or more azo groups (-N=N-) linking aromatic rings.
- 2Certain aromatic amine-releasing azo dyes pose a serious risk to human health and the environment.
- 3All azo dyes have been completely banned in India since 1997.✓
- 4They are used as colourants for leather, textiles, cosmetics, and food.
Correct answer
All azo dyes have been completely banned in India since 1997.
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