Chemistry In Everyday Life Question 63
Question: Which of the following is a vat dye and often used in dyeing jeans
Options:
A) Indigo
B) Alizarin
C) Picric acid
D) Crystal violet
Show Answer
Answer:
Correct Answer: A
Solution:
Vat dyes are insoluble compounds which up on reduction give soluble (lencoform) product. The product may be either coloured or colourless and have affinity for specific fabrics e.g. Indigo.
BETA
