Question

In the process of forming ‘mercerised cellulose’ the swelling of cellulose is caused by

• A. Water
• B. $Na_{2}CO_{3}$
• C. $Aq.NaOH$
• D. $Aq.HCl$

Answer 1

Answer: (C)

$Aq.NaOH$

Answer 2

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.