EBK ORGANIC CHEMISTRY AS A SECOND LANGU
EBK ORGANIC CHEMISTRY AS A SECOND LANGU
3rd Edition
ISBN: 9781118203774
Author: Klein
Publisher: YUZU
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Chapter 27, Problem 34PP
Interpretation Introduction

Interpretation:

Nitroethylene undergoes anionic polymerization before isolating the monomer need to be explained.

Concept introduction:

Polymerization is a reaction when monomer molecules are reacted to form a polymer chain.  Polymerization can occur via three ways,

  • Cationic polymerization
  • Radical polymerization
  • Anionic polymerization

Cationic polymerization is the polymerization of the monomer (vinyl) with strong electron-donating groups.  In this method cationic initiator transfers charge to the monomer which becomes active and further propagates with another molecules.

Anionic polymerization is the polymerization of the monomer (vinyl) with strong electron-withdrawing groups (electronegative groups).  In this polymerization carbanion is the active species.

Radical polymerization is a type of polymerization where the reaction occurs by successive addition of free-radicals.

To explain: why nitroethylene difficult to isolate without polymerizing (anionic polymerization)

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