Q. Alum are used as mordant in dyeing because
A) Dye is adsorbed on $Al(OH)_{3}\$which is deposited on fibre in the hydrolysis process
B) Dye is adsorbed on KOH formed due to hydrolysis
C) Both of the above
D) None of the above
Explanation
The correct answer is Option A: Dye is adsorbed on $Al(OH)_{3}\$which is deposited on fibre in the hydrolysis process.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.