HARD
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Discuss the Witt theory of color and constitution of dyes.

Important Questions on Chemistry in Everyday Life

HARD
Chemistry>Organic Chemistry>Chemistry in Everyday Life>Dyes and Pigments
Write a short note on Direct dyes.
MEDIUM
Chemistry>Organic Chemistry>Chemistry in Everyday Life>Dyes and Pigments
What are chromophores? Give some examples.
EASY
Chemistry>Organic Chemistry>Chemistry in Everyday Life>Dyes and Pigments
A dye should have the fastness properties such as fastness to _____.
MEDIUM
Chemistry>Organic Chemistry>Chemistry in Everyday Life>Dyes and Pigments
Write a short note on: Ingrain dyes
MEDIUM
Chemistry>Organic Chemistry>Chemistry in Everyday Life>Dyes and Pigments
What do you mean by vat dyes? Give an example.
EASY
Chemistry>Organic Chemistry>Chemistry in Everyday Life>Dyes and Pigments
Alizarin belongs to the class of
MEDIUM
Chemistry>Organic Chemistry>Chemistry in Everyday Life>Dyes and Pigments
Write a short note on: Disperse dyes
MEDIUM
Chemistry>Organic Chemistry>Chemistry in Everyday Life>Dyes and Pigments

What are the differences between dyes and pigments?

HARD
Chemistry>Organic Chemistry>Chemistry in Everyday Life>Dyes and Pigments
What are auxochromes? Give some examples.
EASY
Chemistry>Organic Chemistry>Chemistry in Everyday Life>Dyes and Pigments
A dye should not have a suitable colour.
HARD
Chemistry>Organic Chemistry>Chemistry in Everyday Life>Dyes and Pigments
Phenolphthalein is which kind of dye? Give its structure.
MEDIUM
Chemistry>Organic Chemistry>Chemistry in Everyday Life>Dyes and Pigments
What are triphenylmethane dyes? Give an example.
EASY
Chemistry>Organic Chemistry>Chemistry in Everyday Life>Dyes and Pigments
Which of the following is an ingrain dye?
HARD
Chemistry>Organic Chemistry>Chemistry in Everyday Life>Dyes and Pigments
Give the structure of the dye Fluorescein.
EASY
Chemistry>Organic Chemistry>Chemistry in Everyday Life>Dyes and Pigments
Give two characteristics of dye.
EASY
Chemistry>Organic Chemistry>Chemistry in Everyday Life>Dyes and Pigments
Indigo is an example of:
EASY
Chemistry>Organic Chemistry>Chemistry in Everyday Life>Dyes and Pigments
Cotyledons are also called-
MEDIUM
Chemistry>Organic Chemistry>Chemistry in Everyday Life>Dyes and Pigments
Discuss the characteristics of dyes.
EASY
Chemistry>Organic Chemistry>Chemistry in Everyday Life>Dyes and Pigments
Which of the following is not a chromophore
HARD
Chemistry>Organic Chemistry>Chemistry in Everyday Life>Dyes and Pigments
Give the structure of dye, Methyl orange.