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Draw the structures of polymers formed from the following monomers nHOOC−R−COOH+nHO−RA′−OH - Chemistry

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प्रश्न

Draw the structures of polymers formed from the following monomers

\[\ce{n HOOC–R–COOH + n HO–R'–OH}\]

रासायनिक समीकरणे/रचना

उत्तर

\[\begin{array}{cc}
\ce{O}\phantom{........}\ce{O}\phantom{..............}\\
||\phantom{........}||\phantom{..............}\\
\ce{(- C - R - C - O - R' - O -)}\\
\end{array}\]

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पाठ 15: Introduction to Polymer Chemistry - Exercises [पृष्ठ ३३८]

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बालभारती Chemistry [English] 12 Standard HSC
पाठ 15 Introduction to Polymer Chemistry
Exercises | Q 3. vii. 1. | पृष्ठ ३३८

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संबंधित प्रश्‍न

Write the reactions involved in the preparation of  PVC


Write the chemical reaction to prepare novolac polymer.


Explain the following term: Homopolymers


Bakelite is the polymer of:

(a) Benzaldchyde and phenol

(b) Acetaldehyde and phenol

(c) Formaldehyde and phenol

(d) Formaldehyde and benzyl alcohol

 


Write the formulae of the raw materials used for preparation of Dextran.


The Zieglar-Natta catalyst is used in the preparation of _______.

(A) LDPE

(B) PHBV

(C) PAN

(D) HDPE


Answer the following in one sentence.

Identify 'A' in the following reaction:


Identify condensation polymers and addition polymers from the following.

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


Attempt the following:

What is meant by LDP and HDP? Mention the basic difference between the same with suitable examples.


Nylon 6, 6 is a condensation polymer of hexamethylenediamine and _____________


Write the name of the catalyst used for preparation of high density polythene polymer.


write the structure of the monomer used in natural rubber.


Write preparation of low density polythene.


Mention two uses of LDP.


Write chemical reaction for preparation of the following.

Buna-S


Write two uses and two properties of polythene.


The following structure represents the polymer:

\[\begin{array}{cc}
\ce{[-C-CH2-NH-C-(-CH2)5 NH -]_{{n}}}\\
\phantom{}||\phantom{.............}||\phantom{................}\\
\phantom{}\ce{O}\phantom{.............}\ce{O}\phantom{................}
\end{array}\]


Which among the following polymers is used for making handles of cooker?


Which of the following is the monomer of neoprene?


Which of the following polymers is a heteropolymer?


Which of the following catalysts is used in preparation of terylene?


Which of the following compounds is used to prepare orlon?


Which among the following polymers is obtained from CH2 = CH – CN by polymerisation?


Which among the following catalysts is used in the preparation of dacron?


Which of the following monomers is used in the manufacture of Neoprene rubber?


Which of the following polymers is used as insulation for cables?


The commercial name of polyacrylonitrile is ______.


Which of the following polymers, need atleast one diene monomer for their preparation?

(i) Dacron

(ii) Buna-S

(iii) Neoprene

(iv) Novolac


Match the polymers given in Column I with their repeating units given in Column II.

Column I Column II
(i) Acrilan

(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) \[\begin{array}{cc}
\ce{-(CH2 - CH)\underset{n}{-}}\\
\phantom{.....}|\\
\phantom{.......}\ce{CN}
\end{array}\]
(v) Buna—N (e) 
  (f)  \[\begin{array}{cc}
\ce{-(CH2 - CH)\underset{n}{-}}\\
\phantom{.....}|\\
\phantom{......}\ce{Cl}
\end{array}\]

Which of the following is not a copolymer?


Which of the following products is formed when benzaldehyde is treated with CH3MgBr and the addition product so obtained is subjected to acid hydrolysis?


The monomer of Teflon is ______.


Trans - form of poly isoprene is:-


Which of the following polymers is synthesized using a free radical polymerisation technique?


Polymer used in bullet proof glass is ______.


Identify the monomer used to prepare neoprene.


Which of the following is a polymer of enzyme?


Which of the foolowing polymer is used in the manufacture of insulators.


The monomer of natural rubber is ______.


Answer the following.

Name and draw structure of the repeating unit in natural rubber.


Answer the following.

Write the structure of isoprene and the polymer obtained from it.


How the Bakelite is prepared? Give the steps involved in the preparation.


Name the compound which reacts with formaldehyde to produce ethyl alcohol.


Match the following pairs:

Polymer Monomer
(i) Teflon (a) CH2 = CH2
(ii) PVC (b) CF2 = CF2
(iii) Natural rubber (c) Isoprene
(iv) Polythene (d) H2C=CHCl

Write the structure and name of monomer of Nylon-6.


Name and draw the structure of the repeating unit in natural rubber.


Name and draw structure of the repeating unit in natural rubber.


Write the structure of isoprene and the polymer obtained from it.


Name and draw structure of the repeating unit in natural rubber.


Write the structure of isoprene and the polymer obtained from it.


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