Match the following

	Column-I		Column-II
A)	Natural rubber	i)	Free radical  polymerisation
B)	PV arrangement	ii)	Side chain  alternative
C)	Terylene	iii)	C is polyisoprene
D)	Syndiotactic polymer	iv)	Condesation polymerisation

The correct match is

	(A)	(B)	(C)	(D)
1)	i	ii	iii	iv
2)	iii	ii	iv	i
3)	iii	i	iv	ii
4)	iv	ii	i	iii

(A) Natural rubber is cis- polyisoprene with formula

(B) PVC is polyvinyl Chloride with formula $C{H}_2=CH.CI$. It will show Free radical polymerization.
(C) Terylene is also called dacron with formula.

polymerisation using.
$n.HO-H_{2}C=C{H}_2.HO$
Ethylene glycol

Terephthalic acid

 (D) Syndiotactic polymer is molecule  in which we have substituents at alternate position along the chain.