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प्रश्न
Write the name of the catalyst used for preparation of high density polythene polymer.
उत्तर
Zieglar-Natta catalyst (triethylaluminium with titanium tetrachloride)
संबंधित प्रश्न
Write the reactions involved in the preparation of PVC
Explain the following term: Homopolymers
Bakelite is the polymer of:
(a) Benzaldchyde and phenol
(b) Acetaldehyde and phenol
(c) Formaldehyde and phenol
(d) Formaldehyde and benzyl alcohol
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
Choose the correct option from the given alternatives.
Which of the following is made up of polyamides?
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.
Draw the structures of polymers formed from the following monomers
H2N–(CH2)5 – COOH
Write the reaction involved in the formation of:
Bakelite
Attempt the following:
What is meant by LDP and HDP? Mention the basic difference between the same with suitable examples.
Write the structure of isoprene and the polymer obtained from it.
Nylon 6, 6 is a condensation polymer of hexamethylenediamine and _____________
Monomers ethylene glycol and terephthalic acid undergo condensation polymerization to give polymer called ___________
Mention two uses of LDP.
Write chemical reactions for the preparation of high-density polythene.
Define rubber.
Explain the reactions involved in the preparation of viscose rayon.
Which of the following is used as a substitute for wool?
Which of the following polymer is used in paints?
How many isoprene units are present in abscisic acid?
The INCORRECT match for the polymer with its application is:
\[\ce{{n} CH2 = CH2 ->[333 K - 343 K][6 - 7 atm, catalyst] X}\]
Which of the following is CORRECT about polymer 'X'?
Which of the following polymers is a heteropolymer?
Which of the following monomers is used in the manufacture of Neoprene rubber?
Which among the following polymers is an example of addition polymer?
Which among the following polymers is used to manufacture chemical containers?
Which of the following polymers is used as insulation for cables?
Which of the following is not a semisynthetic polymer?
The commercial name of polyacrylonitrile is ______.
Which of the following polymers, need atleast one diene monomer for their preparation?
(i) Dacron
(ii) Buna-S
(iii) Neoprene
(iv) Novolac
The monomer of Teflon is ______.
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?
Nylon threads are made of ______.
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.
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.
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.
How the Bakelite is prepared? Give the steps involved in the preparation.
Write the name of the monomer of natural rubber.
Another name of terylene is ______.
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.
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.
