Polymers Question 124
Question: -Rayon- is
Options:
A) Natural silk
B) Artificial silk
C) Natural plastic or rubber
D) Synthetic plastic
Show Answer
Answer:
Correct Answer: B
Solution:
-Rayon- is man-made fibre which consists of purified cellulose in the form of long threads. Rayon resembles silk in appearance. Hence called as artificial silk. $ \underset{(\text{from woodpulp)}}{\mathop{Cellulose}}\underset{CS_2}{\mathop{\xrightarrow{NaOH}}}\underset{(\text{Syrup like liquid)}}{\mathop{Viscose}} $
$ \underset{\text{into dil}\text{. }H_2SO_4}{\mathop{\underset{Spinneret}{\mathop{\xrightarrow{Passthrough}}}}}\underset{(\text{Fine silken thread)}}{\mathop{Rayon}} $
BETA
