हिंदी

Write chemical reactions for the preparation of high-density polythene.

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प्रश्न

Write chemical reactions for the preparation of high-density polythene.

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उत्तर

Chemical reaction for the preparation of high-density polythene (HDP) is as follows:

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अध्याय 15: Introduction to Polymer Chemistry - Short Answer Questions (Type-II)

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एससीईआरटी महाराष्ट्र Chemistry [English] Standard 12 Maharashtra State Board
अध्याय 15 Introduction to Polymer Chemistry
Short Answer Questions (Type-II) | Q 3.1

वीडियो ट्यूटोरियलVIEW ALL [1]

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I. \[\begin{array}{cc}
\ce{-(CH2 - CH -)_{{n}}}\\
\phantom{....}|\\
\phantom{.......}\ce{C6H5}
\end{array}\]

II. \[\ce{-(CH2 - CH = CH - CH2 -)_{{n}}}\]

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\[\begin{array}{cc}
\phantom{....}\ce{O}\phantom{............}\ce{O}\phantom{...................}\ce{H}\phantom{.....}\\
\phantom{....}||\phantom{.............}||\phantom{...................}|\phantom{......}\\
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\end{array}\]


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Column I Column II
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(a) \[\begin{array}{cc}
\ce{-(CH2 - CH)\underset{n}{-}}\\
\phantom{....}|\\
\phantom{.......}\ce{C6H5}
\end{array}\]

(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) \[\begin{array}{cc}
\ce{-(CH2 - CH)\underset{n}{-}}\\
\phantom{.....}|\\
\phantom{.......}\ce{CN}
\end{array}\]
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\ce{-(CH2 - CH)\underset{n}{-}}\\
\phantom{.....}|\\
\phantom{......}\ce{Cl}
\end{array}\]

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