English

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

Advertisements
Advertisements

Question

Draw the structures of polymers formed from the following monomers

\[\ce{n HOOC–R–COOH + n HO–R'–OH}\]

Chemical Equations/Structures
Advertisements

Solution

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

shaalaa.com
  Is there an error in this question or solution?
Chapter 15: Introduction to Polymer Chemistry - Exercises [Page 338]

APPEARS IN

Balbharati Chemistry [English] Standard 12 Maharashtra State Board
Chapter 15 Introduction to Polymer Chemistry
Exercises | Q 3. vii. 1. | Page 338

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

Write the chemical reaction to prepare novolac polymer.


Explain the following term: Homopolymers


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


Write the structure of melamine.


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.

Define the term: Vulcanization


Answer the following.

Name the polymer type in which following linkage is present.

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


Answer the following.

Match the following pairs:

Name of polymer Monomer
1. Teflon a. CH2 = CH2
2. PVC b. CF2 = CF2
3. Polyester c. CH2 = CHCl
4. Polythene d. C6H5OH and HCHO
5. Bakelite e. Dicarboxylic acid and polyhydoxyglycol

Answer the following.

Write name and formula of raw material from which bakelite is made.


Identify condensation polymers and addition polymers from the following.

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


Identify condensation polymers and addition polymers from the following.


Attempt the following:

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


Answer the following.

Is synthetic rubber better than natural rubber? If so, in what respect?


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

polyacrylonitrile


Write chemical reaction for preparation of the following.

Neoprene


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

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


Explain vulcanization of rubber.


Explain the reactions involved in the preparation of viscose rayon.


Which of the following is used as a substitute for wool?


Identify the INCORRECT match.


\[\ce{{n} CH2 = CH2 ->[333 K - 343 K][6 - 7 atm, catalyst] X}\]

Which of the following is CORRECT about polymer 'X'?


Which of the following polymers is obtained from chloroprene?


Which among the following polymers can NOT be remoulded?


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


Identify the catalyst used in the manufacture of high density polythene.


Which of the following polymers is prepared by using phenol?


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


Which of the following pair of compounds is used as monomers for bakelite?


Which of the following polymer is used to make blankets?


Identify addition polymer from the following.


Which among the following is an example of addition polymer?


Which of the following is not a semisynthetic polymer?


The commercial name of polyacrylonitrile is ______.


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


Which of the following polymers do not involve cross linkages?


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


Which of the following is a polymer of enzyme?


Answer the following.

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


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.


Name and draw the 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.


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

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


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


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


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.


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?


Which among the following is a monomer of natural rubber?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×