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प्रश्न
Write the name of the catalyst used for preparation of high density polythene polymer.
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उत्तर
Zieglar-Natta catalyst (triethylaluminium with titanium tetrachloride)
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 :
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.
What type of intermolecular force leads to high-density polymer?
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 Nylon 6.
Answer the following.
Write the reaction of the formation of Terylene.
Name and draw structure of the repeating unit in natural rubber.
Attempt the following:
Write the chemical reactions involved in the manufacture of Nylon 6,6.
Attempt the following:
Explain the vulcanisation of rubber. Which vulcanizing agents are used for the following synthetic rubber?
a. Neoprene
b. Buna-N
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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 chemical reaction for preparation of the following.
Buna-S
Write chemical reaction for preparation of the following.
Neoprene
Write chemical reactions for the preparation of high-density polythene.
Explain vulcanization of rubber.
Which among the following polymers is obtained from styrene and 1-3-butadiene?
Identify the INCORRECT match.
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\[\ce{{n} CH2 = CH2 ->[333 K - 343 K][6 - 7 atm, catalyst] X}\]
Which of the following is CORRECT about polymer 'X'?
Identify the polymer obtained by polymerization of n moles of acrylonitrile.
Which among the following polymers can NOT be remoulded?
Which of the following catalysts is used in preparation of terylene?
Which among the following polymers is obtained from CH2 = CH – CN by polymerisation?
Identify the monomers used in the preparation of Novolac.
Which of the following polymers is prepared by using phenol?
Which of the following polymer is used to make blankets?
Which of the following polymers is used as insulation for cables?
Which among the following is an example of addition polymer?
Which of the following polymers, need atleast one diene monomer for their preparation?
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(ii) Buna-S
(iii) Neoprene
(iv) Novolac
Which of the following is not a copolymer?
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 of the following polymers do not involve cross linkages?
Which of the following polymer is used for manufacturing of buckets, dustbins, pipes, etc?
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?
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.
Write the structure of isoprene and the polymer obtained from it.
Write the structure of isoprene and the polymer obtained from it.
Another name of terylene is ______.
Write the structure and name of the monomer of Nylon-6.
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.
