Question
Which of the following dyes is used for colouring Paper
and typewriters?Solution
Triphenyl Dyes contains the paraquinoid moiety as a chromophore and -OH, -NH₂ as auxochrome. these dyes are not fast to light and washing and hence used for colouring Papers or typewriters.
Match List-I with List-II and select the correct answer from the code given below:
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