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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

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Question

Answer the following.

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

Answer in Brief
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Solution

Natural rubber Neoprene

Monomer: 

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

Monomer:

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

Structure of natural rubber:

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

Structure of neoprene:

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

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Chapter 15: Introduction to Polymer Chemistry - Exercises [Page 338]

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Balbharati Chemistry [English] Standard 12 Maharashtra State Board
Chapter 15 Introduction to Polymer Chemistry
Exercises | Q 3. iii. | Page 338

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