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प्रश्न
Draw the structures of polymers formed from the following monomers
\[\ce{n HOOC–R–COOH + n HO–R'–OH}\]
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उत्तर
\[\begin{array}{cc}
\ce{O}\phantom{........}\ce{O}\phantom{..............}\\
||\phantom{........}||\phantom{..............}\\
\ce{(- C - R - C - O - R' - O -)}\\
\end{array}\]
APPEARS IN
संबंधित प्रश्न
Write any ‘two’ uses of terylene.
Write the reactions involved in the preparation of PVC
Write the chemical reaction to prepare novolac polymer.
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
Answer the following in one sentence.
Identify 'B' in the following reaction:
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Answer the following.
Write the reaction of the formation of Nylon 6.
Answer the following.
Name the polymer type in which following linkage is present.
\[\begin{array}{cc}\ce{- C - O -}\\||\phantom{.....}\\
\ce{O\phantom{.....}}\end{array}\]
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 |
Answer the following.
Write name and formula of raw material from which bakelite is made.
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Attempt the following:
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Is synthetic rubber better than natural rubber? If so, in what respect?
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Buna-S
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Which of the following polymers is obtained from chloroprene?
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Which of the following is not a semisynthetic polymer?
Name the polymers used in laminated sheets and give the name of monomeric units involved in its formation.
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| 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 |
F2C = CF2 is monomer of the polymer -
Which of the following polymers do not involve cross linkages?
The catalyst used for the polymerisation of olefins is ______.
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.
Name and draw the structure of the repeating unit in natural rubber.
Write the preparation of viscose rayon.
Name and draw structure of the repeating unit in natural rubber.
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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.
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.
Name and draw structure of the repeating unit in natural rubber.
Write the structure of isoprene and the polymer obtained from it.
