451.

Lucas test is used for the determination of :

• alcohols

• alkyl halides

• phenols

• aldehydes

Which of the following is a biodegradable polymer?

• Cellulose

• Polythene

• Polyvinyl chloride

• Nylon-6

Nylon is an example of

• polyster

• polysaccharide

• polyamide

• polythene

Which is the monomer of neoprene in the following?

• ${\mathrm{CH}}_2=\mathrm{CH}=\mathrm{C}\equiv \mathrm{CH}$

• ${\mathrm{CH}}_2=\mathrm{C}\left({\mathrm{CH}}_3\right)-\mathrm{CH}={\mathrm{CH}}_2$

• ${\mathrm{CH}}_2=\mathrm{C}\left(\mathrm{Cl}\right)-\mathrm{CH}={\mathrm{CH}}_2$

• ${\mathrm{CH}}_2=\mathrm{CH}-\mathrm{CH}={\mathrm{CH}}_2$

Which one of the following is an example of co-polymer?

• Buna-S

• Teflon

• PVC

• Polypropylene

The catalyst used for olefin polymerisation is

• Ziegler-Natta catalyst

• Wilkinson catalyst

• Raney nickel catalyst

• Merrifield resin

The oxidant which is used as an antiseptic is

• KBrO₃

• KMnO₄

• CrO₃

• KNO₃

The monomer used to produce orlon is

• ${\mathrm{CH}}_2=\mathrm{CHF}$

• ${\mathrm{CH}}_2={\mathrm{CCl}}_2$

• ${\mathrm{CH}}_2=\mathrm{CHCl}$

• ${\mathrm{CH}}_2=\mathrm{CH}-\mathrm{CN}$

PVC polymer can be prepared by which of the monomer?

• CH₃CH=CH₂

• C₆H₅CH=CH₂

• CH₂=CH₂

• CH₂=CH-Cl

The biodegradable polymer is:

• Nylon-2-Nylon 6

• Nylon-6

• Buna-S

• Nylon-6,6