Polymers Question 123

Question: In the process of forming -mercerised cellulose- the swelling of cellulose is caused by

Options:

A) Water

B) $ Na_2CO_3 $

C) $ Aq.NaOH $

D) $ Aq.HCl $

Show Answer

Answer:

Correct Answer: C

Solution:

Cellulose forms a transluscent mass on treatment with conc. $ NaOH $ which imparts a silky lustre to cotton. This process is mercerisation and the cotton so produced is known as mercerised cotton.