Q. Which one is basic dye?
Chemistry in Everyday Life
Solution:
Basic dyes contain salts of amino or substituted amino group $\left(- NH _2\right.$ or $\left.- NR _2\right)$ which in acid solution forms water soluble cations. These dyes attack the anionic sites present on the fabrics and then get attached to them. Aniline yellow is a basic dye. Its structure is as
