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Answer the following. Write structure of natural rubber and neoprene rubber along with the name and structure of their monomers. - Chemistry

Short Note

Answer the following.

Write structure of natural rubber and neoprene rubber along with the name and structure of their monomers.

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Solution

 

Natural rubber Neoprene

Monomer: 

\[\begin{array}{cc}\ce{CH3\phantom{....}}\\
|\phantom{.......}\\\ce{CH2 =\underset{\text{Isoprene}}{C - CH} = CH2}\end{array}\]

Monomer:

\[\begin{array}{cc}\ce{Cl\phantom{......}}\\
|\phantom{.......}\\\ce{CH2 =\underset{\text{Chloroprene}}{C - CH} = CH2}\end{array}\]

Structure of natural rubber:

\[\begin{bmatrix}\begin{array}{cc}\ce{H\phantom{............}}\ce{H}\\
|\phantom{.............}|\\\ce{- C - C = C - C -}\\
|\phantom{.....}|\phantom{....}|\phantom{....}|\\
\ce{H\phantom{...}} \ce{CH3\phantom{..}} \ce{H\phantom{...}} \ce{H}\end{array}\end{bmatrix}_\text{n}\]

Structure of neoprene:

\[\begin{array}{cc}\ce{Cl\phantom{.......}}\\
|\phantom{........}\\\ce{-[CH2 - C = CH - CH2]_{n}}-
\end{array}\]

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APPEARS IN

Balbharati Chemistry 12th Standard HSC for Maharashtra State Board
Chapter 15 Introduction to Polymer Chemistry
Exercise | Q 3.03 | Page 338
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