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What is not true regarding free radical polymerization of propene ?
(a)Without proper control, atactic polypropylene is produced
(b)During polymerization, a secondary free radical is produced in every step
(c)During polymerization, a linear, unbranched, crystalline polymer is usually obtained
(d)Use of Zeigler-Natta catalyst results in isotactic polypropylene

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Important Questions on Polymers
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Reason: Mechanical and aesthetic properties of cellulose can be improved by acetylation.

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List - | List - | ||
Addition polymer | Bakelite | ||
Condensation polymer | -methyl- -butadiene | ||
Acrilan | -dimethyl- -butadiene | ||
Rubber | Vinyl cyanide | ||
Polythene |
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