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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Write the name of one example of each polymer in which following repeating units. (−CFX2−CFX2−),−[NH−(CHX2)X5−CO]X−,−(CHX2−CH−),(−CHX2−CHX2−)...........................|.............................CN - Chemistry

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प्रश्न

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

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

टीपा लिहा

उत्तर

  1. \[\ce{(-CF2-CF2-)}\] is monomer unit of Teflon polymer.
  2. \[\ce{-[NH-(CH2)5-CO] -}\] is monomer unit of nylon 6 polymer.
  3. \[\begin{array}{cc}\ce{-(CH2-CH-)}\\\phantom{....}|\\\phantom{......}\ce{CN}
    \end{array}\] is monomer unit of polyacrylonitrile polymer.
  4. \[\ce{(-CH2-CH2-)}\] is monomer unit of polyethylene polymer.
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पाठ 15: Introduction to Polymer Chemistry - Short Answer Questions (Type-I)

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एससीईआरटी महाराष्ट्र Chemistry [English] 12 Standard HSC
पाठ 15 Introduction to Polymer Chemistry
Short Answer Questions (Type-I) | Q 9

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

Write any ‘two' uses of terylene.


Write the chemical reaction to prepare novolac polymer.


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


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.

Write the reaction of the formation of Nylon 6.


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

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


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


Attempt the following:

Write the chemical reactions involved in the manufacture of Nylon 6,6.


Attempt the following:

Write preparation, properties and uses of Teflon.


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 chemical reaction for preparation of the following.

Neoprene


Write chemical reactions for the preparation of high-density 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 polymer is used in paints?


How many isoprene units are present in abscisic acid?


Identify the INCORRECT match.


Novolac is obtained from ____________.


Identify the monomers used in the preparation of Novolac.


Which among the following polymers is an example of addition polymer?


Which among the following is an example of addition polymer?


Name the polymers used in laminated sheets and give the name of monomeric units involved in its formation.


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


F2C = CF2 is monomer of the polymer -


Trans - form of poly isoprene is:-


Which one of the following polymers are prepared by addition polymerization?


Which of the following is an example of polyester?


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


Nylon threads are made of ______.


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.


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.


Answer the following.

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


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 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.


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


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


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