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प्रश्न
Answer the following in one sentence.
What type of intermolecular force leads to high-density polymer?
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उत्तर
Van der Waals forces between closely packed linear polymeric chains are responsible for high-density polymer.
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संबंधित प्रश्न
Write any ‘two’ uses of terylene.
Based on molecular forces, what type of polymer is neoprene?
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 'A' in the following reaction:
Answer the following in one sentence.
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\[\ce{H2N -(CH2)6 - NH2 + HOOC - (CH2)4 - COOH ->[N2][533 K]}\]'B'
Answer the following in one sentence.
Identify thermoplastic and thermosetting plastic from the following:
- PET
- Urea formaldehyde resin
- Polythene
- Phenol formaldehyde resin
Answer the following.
Write the reaction of the formation of Terylene.
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.
Draw the structures of polymers formed from the following monomers
H2N–(CH2)5 – COOH
Answer the following.
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Identify condensation polymers and addition polymers from the following.
Attempt the following:
Write the chemical reactions involved in the manufacture of Nylon 6,6.
Write the reaction involved in the formation of bakelite.
Write preparation, properties, and uses of Teflon.
Write preparation of low density polythene.
Write the name of one example of each polymer in which following repeating units.
\[\begin{array}{cc}
\ce{(-CF2-CF2-), -[NH-(CH2)5-CO] -, -(CH2-CH-), (-CH2-CH2-)}\\
\phantom{............................}|\\
\phantom{..............................}\ce{CN}
\end{array}\]
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Write two uses and two properties of polythene.
Define rubber.
Explain the reactions involved in the preparation of viscose rayon.
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Which of the following polymer is used in paints?
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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.
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\[\begin{array}{cc}
\phantom{....}\ce{O}\phantom{............}\ce{O}\phantom{...................}\ce{H}\phantom{.....}\\
\phantom{....}||\phantom{.............}||\phantom{...................}|\phantom{......}\\
\ce{-[C - (CH2)4 - C - NH - (CH2)6 - N -]_{{n}}}
\end{array}\]
Which of the following catalysts is used in preparation of terylene?
Which of the following compounds is used to prepare orlon?
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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?
The commercial name of polyacrylonitrile is ______.
Which of the following polymers, need atleast one diene monomer for their preparation?
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(ii) Buna-S
(iii) Neoprene
(iv) Novolac
Name the polymers used in laminated sheets and give the name of monomeric units involved in its formation.
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 one of the following polymers are prepared by addition polymerization?
Polymer used in bullet proof glass is ______.
Which of the following polymer is used for manufacturing of buckets, dustbins, pipes, etc?
Which of the following is a polymer of enzyme?
Which of the foolowing polymer is used in the manufacture of insulators.
Write the structure of isoprene and the polymer obtained from it.
The monomer used in preparation of teflon is ______.
Write the structure and name of monomer of Natural rubber.
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.
Name and draw structure of the repeating unit in natural rubber.
Name and draw structure of the repeating unit in natural rubber.
