Chemistry · Triphenylmethane dyes

Which of the following groups function as the auxochromes responsible for intensifying the color in triphenylmethane dyes?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1—OH, —NH2, or —NR2✓
2—NO2, —COOH, or —SO3H
3—CH3, —OCH3, or —Cl
4—CN, —CHO, or —COCH3

Correct answer

—OH, —NH2, or —NR2

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Which of the following groups function as the auxochromes responsible for intensifying the color in triphenylmethane dyes?

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