Advertisements
Advertisements
प्रश्न
The Zieglar-Natta catalyst is used in the preparation of _______.
(A) LDPE
(B) PHBV
(C) PAN
(D) HDPE
Advertisements
उत्तर
HDPE
APPEARS IN
संबंधित प्रश्न
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.
What type of intermolecular force leads to high-density polymer?
Answer the following.
Write the reaction of the formation of Terylene.
Draw the structures of polymers formed from the following monomers
\[\ce{n HOOC–R–COOH + n HO–R'–OH}\]
Name and draw structure of the repeating unit in natural rubber.
Identify condensation polymers and addition polymers from the following.
\[\begin{array}{cc}\ce{-(CH2 - CH -)_{n}}\\
\phantom{....}|\\\ce{\phantom{.......}C6H5}
\end{array}\]
Identify condensation polymers and addition polymers from the following.
-(CH2 - CH = CH - CH2 -)n
Identify condensation polymers and addition polymers from the following.
Write preparation, properties, and uses of Teflon.
Monomers ethylene glycol and terephthalic acid undergo condensation polymerization to give polymer called ___________
Monomer of natural rubber is __________
Write a chemical reaction for the preparation of the following polymer.
polyacrylonitrile
write the structure of the monomer used in natural rubber.
Write preparation of low density polythene.
Write chemical reaction for preparation of the following.
Buna-S
Write two uses and two properties of polythene.
Explain vulcanization of rubber.
Explain the reactions involved in the preparation of viscose rayon.
Which among the following polymers is used for making handles of cooker?
Identify additional polymers from the following.
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.
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 among the following polymers can NOT be remoulded?
Identify the monomers used in the preparation of Novolac.
Which of the following polymers is used as insulation for cables?
The commercial name of polyacrylonitrile is ______.
Which of the following products is formed when benzaldehyde is treated with CH3MgBr and the addition product so obtained is subjected to acid hydrolysis?
The monomer of Teflon is ______.
Which of the following polymer has ester linkage?
Which one of the following polymers are prepared by addition polymerization?
Which of the following is a polymer of enzyme?
Which of the foolowing polymer is used in the manufacture of insulators.
The monomer of natural rubber is ______.
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.
Name and draw structure of the repeating unit in natural rubber.
Write the structure of isoprene and the polymer obtained from it.
Write the name of the monomer of natural rubber.
Write the structure and name of monomer of 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 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.
