Chemistry In Everyday Life Question 60
Question: Which of the following is an example of basic dye
Options:
A) Alizarin
B) Malachite green
C) Indigo
D) Orange I
Show Answer
Answer:
Correct Answer: B
Solution:
Basic dyes contain $ NH_2 $ or $ -NR_2 $ groups as colour bearing group or colour enhancing groups they are generally used for Wool, cotton, leather, paper, polyester, nylon etc. e.g. aniline yellow, crysodine G, butter yellow, malachite green etc.
BETA
