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Is (-CH(2) - underset(Cl)underset(|)(CH)...

Is `(-CH_(2) - underset(Cl)underset(|)(CH)-)_(n)` a homopolymer or copolymer ?

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It is a homopolymer
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The polymerisation reaction shown below 2 CH-= CH overset(CuCl)rarr CH -= C-CH=CH underset(Cu_(2)Cl_(2)//NH_(4)Cl)overset(HCl)(rarr) CH_(2)=underset(underset(Cl)(|))(C)-CH=CH_(2) underset((2)"Polymerisation") overset((1)"CH_(3)MgCl)(rarr) [.^(-CH_(2)-C=underset(underset(CH_(3))(|))(CH)-CH_(2))]_(n) would produce :

Out CH_(3)-underset(CH_(3))underset(|)(CH)-CH_(2)-Cl and CH_(3)-CH_(2)-underset(CH_(3))underset(|)(CH)-Cl , which is more reactive towards S_(N)1 reaction and why?

Reactivity order for SN1 (i) CH_(3)-underset(Cl)underset(|)(CH)-CH_(2)-CH_(3) (ii) Ph-CH_(2)-underset(Cl)underset(|)(CH)-CH_(3) (iii) CH_(3)-overset(Cl)overset(|)underset(OCH_(3))underset(|)C-CH_(3) (iv) CH_(3)CH_(2)-CH_(2)-Cl

Polyvinyl alcohol is an important polymer. The structure is given below (-CH_(2)-underset(OH)underset("| ")"CH"-CH_(2)-underset(OH)underset("| ")"CH"-CH_(2)-underset(OH)underset("| ")"CH"-) It is prepared by polymerization of

(-- CH_2 - underset(CH_3)underset(|) overset(CH_3)overset(|)C-CH_2 - underset(CH_3)underset(|)overset(CH_3)overset(|)C--)_n is a polymer having monomer units.

Write the IUPAC names of CH_2 =CH - CH_2 - underset(CH_3)underset(|)(CH) - CH_2Cl