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प्रश्न
Write the structure and name of monomer of Natural rubber.
Write the name and structure of the monomer of the following polymer:
Natural rubber
Name the monomer of natural rubber.
Give the structure of the monomer of natural rubber.
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उत्तर
Name of monomer of natural rubber: Isoprene (2-Methyl-1, 3-butadiene)
Structure:
\[\begin{array}{cc}
\ce{CH3}\phantom{.....}\\
|\phantom{.........}\\
\ce{CH2 = C - CH = CH2}
\end{array}\]
Notes
Students should refer to the answer according to their questions.
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I. \[\begin{array}{cc}
\ce{-(CH2 - CH -)_{{n}}}\\
\phantom{....}|\\
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\end{array}\]
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\[\begin{array}{cc}
\phantom{....}\ce{O}\phantom{............}\ce{O}\phantom{...................}\ce{H}\phantom{.....}\\
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| Column I | Column II |
| (i) Acrilan |
(a) \[\begin{array}{cc} |
| (ii) Polystyrene | (b) \[\begin{array}{cc} \ce{Cl}\phantom{.......}\\ |\phantom{........}\\ \phantom{}\ce{-(CH2 - C = CH - CH2)\underset{n}{-}} \end{array}\] |
| (iii) Neoprene | (c) \[\begin{array}{cc} \phantom{................................}\ce{CN}\\ \phantom{..............................}|\\ \ce{-(CH2 - CH = CH - CH2 - CH2 - CH)\underset{n}{-}} \end{array}\] |
| (iv) Novolac | (d) \[\begin{array}{cc} \ce{-(CH2 - CH)\underset{n}{-}}\\ \phantom{.....}|\\ \phantom{.......}\ce{CN} \end{array}\] |
| (v) Buna—N | (e)  |
| (f) \[\begin{array}{cc} \ce{-(CH2 - CH)\underset{n}{-}}\\ \phantom{.....}|\\ \phantom{......}\ce{Cl} \end{array}\] |
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