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

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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
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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] Standard 12 Maharashtra State Board
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.


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.


Write the structure of melamine.


Write the structures of the monomers used for getting the following polymers

Melamine – formaldehyde polymer


Answer the following in one sentence.

Identify 'B' in the following reaction:

\[\ce{H2N -(CH2)6 - NH2 + HOOC - (CH2)4 - COOH ->[N2][533 K]}\]'B'


Answer the following in one sentence.

Identify thermoplastic and thermosetting plastic from the following:

  1. PET
  2. Urea formaldehyde resin
  3. Polythene
  4. Phenol formaldehyde resin

Identify condensation polymers and addition polymers from the following.

-(CH2 - CH = CH - CH2 -)n


Identify condensation polymers and addition polymers from the following.

-(CO(CH2)4 - CONH(CH2)6NH-)n


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


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


Write a chemical reaction for the preparation of the following polymer.

polyacrylonitrile


Mention two uses of LDP.


Write chemical reaction for preparation of the following.

Neoprene


Write the name of one example of each polymer in which following repeating units.

\[\begin{array}{cc}
\ce{(-CF2-CF2-), -[NH-(CH2)5-CO] -, -(CH2-CH-), (-CH2-CH2-)}\\
\phantom{............................}|\\
\phantom{..............................}\ce{CN}
\end{array}\]


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


Explain vulcanization of rubber.


Which of the following polymer is used in paints?


Identify additional polymers from the following.

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

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

III. \[\ce{-(CO(CH2)4 - CONH(CH2)6NH -)_{{n}}}\]

IV.


The INCORRECT match for the polymer with its application is:


Which of the following is the monomer of neoprene?


Which of the following polymers is obtained from chloroprene?


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


Which of the following is not a semisynthetic polymer?


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

(i) Dacron

(ii) Buna-S

(iii) Neoprene

(iv) Novolac


Phenol and formaldehyde undergo condensation to give a polymar (A) which on heating with formaldehyde gives a thermosetting polymer (B). Name the polymers. Write the reactions involved in the formation of (A). What is the structural difference between two polymers?


Which of the following is not a copolymer?


The monomer of Teflon is ______.


F2C = CF2 is monomer of the polymer -


Trans - form of poly isoprene is:-


Which of the following is an example of polyester?


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


Polymer used in bullet proof glass is ______.


The catalyst used for the polymerisation of olefins is ______.


Which among the following polymers has high tensile strength and is used to obtain tyre cords?


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


The monomer of natural rubber is ______.


Answer the following.

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


Answer the following.

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


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


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


Another name of terylene is ______.


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


The monomer used in preparation of teflon is ______.


Write the structure and name of monomer of natural rubber.


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


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


Name and draw 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.


Which from following statements is NOT true regarding neoprene?


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