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प्रश्न
Write the reactions involved in the preparation of PVC
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उत्तर
PVC :
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संबंधित प्रश्न
Write the chemical reaction to prepare novolac polymer.
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
The Zieglar-Natta catalyst is used in the preparation of _______.
(A) LDPE
(B) PHBV
(C) PAN
(D) HDPE
Write the structure of melamine.
Choose the correct option from the given alternatives.
Which of the following is made up of polyamides?
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.
Write the reaction of the formation of Terylene.
Answer the following.
Write structure of natural rubber and neoprene rubber along with the name and structure of their monomers.
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.
-(CO(CH2)4 - CONH(CH2)6NH-)n
Identify condensation polymers and addition polymers from the following.
Attempt the following:
Explain the vulcanisation of rubber. Which vulcanizing agents are used for the following synthetic rubber?
a. Neoprene
b. Buna-N
Write preparation, properties, and uses of Teflon.
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 preparation of low density polythene.
Write two uses and two properties of polythene.
Which of the following polymer is used in paints?
How many isoprene units are present in abscisic acid?
Identify the INCORRECT match.
\[\ce{{n} CH2 = CH2 ->[333 K - 343 K][6 - 7 atm, catalyst] X}\]
Which of the following is CORRECT about polymer 'X'?
Which of the following polymers is a heteropolymer?
Identify the monomers used in the preparation of Novolac.
Which among the following monomers is used to prepare Teflon?
Which of the following pair of compounds is used as monomers for bakelite?
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} |
| (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) \[\begin{array}{cc} \ce{-(CH2 - CH)\underset{n}{-}}\\ \phantom{.....}|\\ \phantom{......}\ce{Cl} \end{array}\] |
F2C = CF2 is monomer of the polymer -
Which of the following polymer has ester linkage?
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?
Polymer used in bullet proof glass is ______.
Which of the following polymer is used for manufacturing of buckets, dustbins, pipes, etc?
Identify the monomer used to prepare neoprene.
Which of the following is a polymer of enzyme?
The monomer of natural rubber is ______.
Name the compound which reacts with formaldehyde to produce ethyl alcohol.
Name and draw structure of the repeating unit in natural rubber.
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 |
The monomer used in preparation of teflon 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.
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.
