NTA Abhyas 2020
- Exam
- NTA Abhyas
- Year
- 2020
- Subject
- Chemistry
- Chapter
- Polymers
NTA Abhyas 2020 · Chemistry · Polymers
Which is correct about 'Rayon'?
Which is correct about 'Rayon'?
Options
- ANatural silk
- BArtificial silk
- CNatural plastic or rubber
- DSynthetic plastic
Correct answer
B. Artificial silk
Step-by-step solution
'Rayon' is semi-synthetic fibre which consists of purified cellulose in the form of long threads. Rayon resembles silk in appearance. Hence called as artificial silk.
\text{Cellulose}\mathop{→}_{{\text{CS}_{2}}^{\text{NaOH}} \mathop{\text{Viscose}_{\text{(Syrup}\text{like}\text{liquid)}} \to\begin{array}{ll}\text{Spinneret} \\ \text{into}\text{dil}\text{.}{H}_{2} {\text{SO}_{4}\end{array}\text{Pass}\text{through} \mathop{\text{Rayon}_{\text{(Fine}\text{silken}\text{thread)}}
\text{Cellulose}\mathop{→}_{{\text{CS}_{2}}^{\text{NaOH}} \mathop{\text{Viscose}_{\text{(Syrup}\text{like}\text{liquid)}} \to\begin{array}{ll}\text{Spinneret} \\ \text{into}\text{dil}\text{.}{H}_{2} {\text{SO}_{4}\end{array}\text{Pass}\text{through} \mathop{\text{Rayon}_{\text{(Fine}\text{silken}\text{thread)}}