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प्रश्न
Write chemical reaction for preparation of the following.
Neoprene
Write equations used for the synthesis of Neoprene.
How is neoprene synthesised?
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उत्तर
In the presence of a peroxide, free radical addition polymerization of chloroprene (2-chlorobuta-1,3-diene) produces neoprene.

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संबंधित प्रश्न
The Zieglar-Natta catalyst is used in the preparation of _______.
(A) LDPE
(B) PHBV
(C) PAN
(D) HDPE
Draw the structures of veronal and thymine.
Write the monomers of the following polymer :

Choose the correct option from the given alternatives.
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Answer the following.
Write the reaction of the formation of Terylene.
Answer the following.
Match the following pairs:
| Name of polymer | Monomer |
| 1. Teflon | a. CH2 = CH2 |
| 2. PVC | b. CF2 = CF2 |
| 3. Polyester | c. CH2 = CHCl |
| 4. Polythene | d. C6H5OH and HCHO |
| 5. Bakelite | e. Dicarboxylic acid and polyhydoxyglycol |
Draw the structures of polymers formed from the following monomers
\[\ce{n HOOC–R–COOH + n HO–R'–OH}\]
Answer the following.
Write name and formula of raw material from which bakelite is made.
Identify condensation polymers and addition polymers from the following.

Write the reaction involved in the formation of bakelite.
Write preparation, properties, and uses of Teflon.
Write the name of the catalyst used for preparation of high density polythene polymer.
write the structure of the monomer used in natural rubber.
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Buna-S
Write the name and formulae of the monomers used for the preparation of dacron.
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Which of the following is the monomer of neoprene?
Which of the following polymers is a heteropolymer?
Identify the catalyst used in the manufacture of high density polythene.
Which of the following polymers is prepared by using phenol?
Which of the following monomers is used in the manufacture of Neoprene rubber?
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(iii) Neoprene
(iv) Novolac
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| Column I | Column II |
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| (ii) Nylon | (b) Ester linkage |
| (iii) Cellulose | (c) Phosphodiester linkage |
| (iv) Protein | (d) Amide linkage |
| v) RNA |
Phenol and formaldehyde undergo condensation to give a polymar (A) which on heating with formaldehyde gives a thermosetting polymer (B). Name the polymers. Write the reactions involved in the formation of (A). What is the structural difference between two polymers?
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F2C = CF2 is monomer of the polymer -
Trans - form of poly isoprene is:-
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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.
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.
Name and draw structure of the repeating unit in natural rubber.
The monomer used in preparation of teflon is ______.
Name and draw the 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.
Name and draw the structure of the repeating unit in natural rubber.
Write the structure of isoprene and the polymer obtained from it.
