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प्रश्न
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 |
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उत्तर
| Name of polymer | Monomer |
| 1. Teflon | b. CF2 = CF2 |
| 2. PVC | c. CH2 = CHCl |
| 3. Polyester | e. Dicarboxylic acid and polyhydoxyglycol |
| 4. Polythene | a. CH2 = CH2 |
| 5. Bakelite | d. C6H5OH and HCHO |
APPEARS IN
संबंधित प्रश्न
Write the reactions involved in the preparation of PVC
Write the chemical reaction to prepare novolac polymer.
Based on molecular forces, what type of polymer is neoprene?
Write the formulae of the raw materials used for preparation of Dextran.
The Zieglar-Natta catalyst is used in the preparation of _______.
(A) LDPE
(B) PHBV
(C) PAN
(D) HDPE
Write the monomers of the following polymer :
Answer the following in one sentence.
Define the term: Vulcanization
Answer the following in one sentence.
Identify thermoplastic and thermosetting plastic from the following:
- PET
- Urea formaldehyde resin
- Polythene
- Phenol formaldehyde resin
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.
-(CH2 - CH = CH - CH2 -)n
Identify condensation polymers and addition polymers from the following.
Attempt the following:
Write the chemical reactions involved in the manufacture of Nylon 6,6.
Write the reaction involved in the formation of bakelite.
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.
Monomer used for preparation of polyacrylonitrile is _____________
Mention two uses of LDP.
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 chemical reactions for the preparation of high-density polythene.
Define rubber.
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 a heteropolymer?
Identify the polymer obtained by polymerization of n moles of acrylonitrile.
Which of the following catalysts is used in preparation of terylene?
Which of the following compounds is used to prepare orlon?
Which of the following polymers is prepared by using phenol?
Identify addition polymer from the following.
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?
Which of the following polymer has ester linkage?
Which one of the following polymers are prepared by addition polymerization?
Which of the following polymers is synthesized using a free radical polymerisation technique?
Nylon threads are made of ______.
The catalyst used for the polymerisation of olefins is ______.
Which among the following polymers has high tensile strength and is used to obtain tyre cords?
Answer the following.
Name and draw structure of the repeating unit in 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 name of the monomer of natural rubber.
Write the structure and name of the monomer of Nylon-6.
Name and draw the structure of the repeating unit in natural rubber.
Name and draw structure of the repeating unit in natural rubber.
Name and draw structure of the repeating unit in natural rubber.
Name and draw structure of the repeating unit in 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.
Which from following statements is NOT true regarding neoprene?
Which among the following is a monomer of natural rubber?
