Chemistry In Everyday Life Question 77
Question: The dyes which are applied to the fabric in the colourless reduced state and then oxidised to coloured state are called
[DPMT 2004]
Options:
A) Vat dyes
B) Disperse dyes
C) Triphenyl methane dye
D) Azo dyes
Show Answer
Answer:
Correct Answer: A
Solution:
Vat dyes are insoluble compounds which reduction give soluble (leucoform) product. The product may be either coloured or colourless a have affinity for specific fabrics e.g. Indigo.
BETA
