NEET Practice Questions (MCQs) with Answers & Solutions

All trans-configuration

Alternate cis - and trans-configuration

Random cis - and trans-configuration

All cis-configuration

nylon 2-nylon 6

PHBV

buna-N

nylon-6, 6

nylon-6

tetion

terylene

nylon-6 6

Propylene and para HO — (C₆H₄)—OH

Benzoic acid and ethanol

Terephthalic acid and ethylene glycol

Benzoic acid and para HO — (C₆H₄)—OH

MeSiCl₃

Me₂SiCl₂

Me₃SiCl

PhSiCl₃

CH₂=CH-c=CH

CH₂=$\begin{array}{c}\underset{|}{\mathrm{C}}\\ {\mathrm{CH}}_3\end{array}$-CH=CH₂

 $\begin{array}{ccccccc}{\mathrm{CH}}_2& =& \underset{\mathrm{Cl}}{\underset{|}{\mathrm{C}}}& -& \mathrm{CH}& =& {\mathrm{CH}}_2\end{array}$

CH₂=CH-CH=CH₂

hydrolysis of (CH₃)₃SiCl followed by condensation polymerisation

hydrolysis of CH₃SiCl₃ followed by condensation polymerisation

hydrolysis of (CH₃)₄Si by addition polymerisation 

hydrolysis of (CH₃)₂SiCl₂ followed by condensation polymerisation

In vulcanisation, the formation of sulphur bridges between

different chains make rubber harder and stronger.

Natural rubber has the trans-configuration at every double bond.

Buna-S is a copolymer of butadiene and styrene.

Natural rubber is a 1,4-polymer of isoprene.

Nylon-66

Teflon

Rubber

Styrene

co-polymer

addition polymer

thermo-setting polymer

homopolymer