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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Write the name and formulae of the monomers used for the preparation of dacron.

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प्रश्न

Write the name and formulae of the monomers used for the preparation of dacron.

टीपा लिहा
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उत्तर

Monomers used in the preparation of dacron are ethylene glycol and terephthalic acid.

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

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एससीईआरटी महाराष्ट्र Chemistry [English] Standard 12 Maharashtra State Board
पाठ 15 Introduction to Polymer Chemistry
Short Answer Questions (Type-II) | Q 2.2

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

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

 


Based on molecular forces, what type of polymer is neoprene?


Write the structure of melamine.


Write the monomers of the following polymer : 


Choose the correct option from the given alternatives.

Which of the following is made up of polyamides?


Answer the following in one sentence.

Identify 'A' in the following reaction:


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.

Write the reaction of the formation of Nylon 6.


Answer the following.

Write the reaction of the formation of Terylene.


Answer the following.

Write structure of natural rubber and neoprene rubber along with the name and structure of their monomers.


Answer the following.

Draw the structures of polymers formed from the following monomers

H2N–(CH2)5 – COOH


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


Answer the following.

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


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:

Explain the vulcanisation of rubber. Which vulcanizing agents are used for the following synthetic rubber?
a. Neoprene
b. Buna-N


Answer the following.

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


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


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

polyacrylonitrile


Write chemical reaction for preparation of the following.

Buna-S


Write chemical reaction for preparation of the following.

Neoprene


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


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


The INCORRECT match for the polymer with its application is:


Which of the following is the monomer of neoprene?


Select the CORRECT match for both the polymers.


Novolac is obtained from ____________.


Which among the following polymers can NOT be remoulded?


Which of the following compounds is used to prepare orlon?


Which of the following polymers is prepared by using phenol?


Identify addition polymer from the following.


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


Match the polymers given in Column I with the type of linkage present in them given in Column II.

Column I Column II
(i) Terylene (a) Glycosidic linkage
(ii) Nylon (b) Ester linkage
(iii) Cellulose (c) Phosphodiester linkage
(iv) Protein (d) Amide linkage
v) RNA  

Nylon threads are made of ______.


Polymer used in bullet proof glass is ______.


Which of the following polymers do not involve cross linkages?


The catalyst used for the polymerisation of olefins is ______.


Which of the following is a polymer of enzyme?


Answer the following.

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


Answer the following.

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


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


Write the preparation of viscose rayon.


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 of isoprene and the polymer obtained from it.


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.


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.


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


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


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