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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.
Write the structure of melamine.
Draw the structures of veronal and thymine.
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.
Define the term: Vulcanization
Answer the following.
Write the reaction of the formation of Nylon 6.
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.
Draw the structures of polymers formed from the following monomers
H2N–(CH2)5 – COOH
Answer the following.
Write name and formula of raw material from which bakelite is made.
Attempt the following:
Write the chemical reactions involved in the manufacture of Nylon 6,6.
Write preparation, properties, and uses of Teflon.
Answer the following.
Is synthetic rubber better than natural rubber? If so, in what respect?
Write the structure of isoprene and the polymer obtained from it.
Nylon 6, 6 is a condensation polymer of hexamethylenediamine and _____________
Monomer used for preparation of polyacrylonitrile is _____________
Monomer of natural rubber is __________
Write a chemical reaction for the preparation of the following polymer.
polyacrylonitrile
Write preparation of low density polythene.
Write chemical reaction for preparation of the following.
Neoprene
Write the name of one example of each polymer in which following repeating units.
\[\begin{array}{cc}
\ce{(-CF2-CF2-), -[NH-(CH2)5-CO] -, -(CH2-CH-), (-CH2-CH2-)}\\
\phantom{............................}|\\
\phantom{..............................}\ce{CN}
\end{array}\]
Write the name and formulae of the monomers used for the preparation of dacron.
Write chemical reactions for the preparation of high-density polythene.
Which of the following is used as a substitute for wool?
Which among the following polymers is obtained from styrene and 1-3-butadiene?
Which of the following polymer is used in paints?
Identify the INCORRECT match.
Select the CORRECT match for both the polymers.
Which of the following polymers is obtained from chloroprene?
Which of the following catalysts is used in preparation of terylene?
Which of the following compounds is used to prepare orlon?
Which among the following polymers is obtained from CH2 = CH – CN by polymerisation?
Which among the following catalysts is used in the preparation of dacron?
Identify the catalyst used in the manufacture of high density polythene.
Which among the following monomers is used to prepare Teflon?
Which of the following polymer is used to make blankets?
Which among the following polymers is used to manufacture chemical containers?
Identify addition polymer from the following.
Which among the following is an example of addition polymer?
Which of the following is not a semisynthetic polymer?
Which of the following polymers, need atleast one diene monomer for their preparation?
(i) Dacron
(ii) Buna-S
(iii) Neoprene
(iv) Novolac
Name the polymers used in laminated sheets and give the name of monomeric units involved in its formation.
Match the polymers given in Column I with the type of linkage present in them given in Column II.
| Column I | Column II |
| (i) Terylene | (a) Glycosidic linkage |
| (ii) Nylon | (b) Ester linkage |
| (iii) Cellulose | (c) Phosphodiester linkage |
| (iv) Protein | (d) Amide linkage |
| v) RNA |
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?
Nylon threads are made of ______.
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 preparation of viscose rayon.
Write the name of the monomer of natural rubber.
Write the structure and name of monomer of Natural rubber.
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.
Name and draw structure of the repeating unit in natural rubber.
Write the structure of isoprene and the polymer obtained from it.
