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Chapter 30: Question 30.13 (page 1211)

Assign Eor Zconfiguration to the double bonds in neoprene. Draw a stereoisomer of neoprene in which all the double bonds have the opposite configuration.

Short Answer

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Answer

The double bonds in neoprene have a Z configuration.

The stereoisomer of neoprene in which all the double bonds have opposite configuration (E configuration) is:

E configuration

Step by step solution

01

neoprene

Neoprene is a polymer substance produced when chloroprene is polymerized. This polymer has very good chemical stability and is highly flexible when it is exposed to a wide range of temperatures.

02

Structure and configuration of neoprene

The chemical structure of neoprene is shown below:

Z configuration

In this, the higher priority groups exist on the same side of the double bonds. Thus, it is a Z configuration. It is shown below:

Z configuration

03

Stereoisomer of neoprene

The opposite configuration is the E configuration. In this configuration, higher priority groups exist on the opposite side of the double bond. It is shown below:


E configuration

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