Advertisements
Advertisements
प्रश्न
Write the structure and name of monomer of Natural rubber.
Write the name and structure of the monomer of the following polymer:
Natural rubber
Name the monomer of natural rubber.
Give the structure of the monomer of natural rubber.
Advertisements
उत्तर
Name of monomer of natural rubber: Isoprene (2-Methyl-1, 3-butadiene)
Structure:
\[\begin{array}{cc}
\ce{CH3}\phantom{.....}\\
|\phantom{.........}\\
\ce{CH2 = C - CH = CH2}
\end{array}\]
Notes
Students should refer to the answer according to their questions.
संबंधित प्रश्न
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
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.
Identify 'A' in the following reaction:

Answer the following in one sentence.
Identify thermoplastic and thermosetting plastic from the following:
- PET
- Urea formaldehyde resin
- Polythene
- Phenol formaldehyde resin
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 |
Identify condensation polymers and addition polymers from the following.
-(CO(CH2)4 - CONH(CH2)6NH-)n
Attempt the following:
Explain the vulcanisation of rubber. Which vulcanizing agents are used for the following synthetic rubber?
a. Neoprene
b. Buna-N
Attempt the following:
What is meant by LDP and HDP? Mention the basic difference between the same with suitable examples.
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
Mention two uses of LDP.
Write chemical reaction for preparation of the following.
Buna-S
Define rubber.
The following structure represents the polymer:
\[\begin{array}{cc}
\ce{[-C-CH2-NH-C-(-CH2)5 NH -]_{{n}}}\\
\phantom{}||\phantom{.............}||\phantom{................}\\
\phantom{}\ce{O}\phantom{.............}\ce{O}\phantom{................}
\end{array}\]
Which of the following polymer is used in paints?
Select the CORRECT match for both the polymers.
\[\ce{{n} CH2 = CH2 ->[333 K - 343 K][6 - 7 atm, catalyst] X}\]
Which of the following is CORRECT about polymer 'X'?
Novolac is obtained from ____________.
Which of the following polymers is a heteropolymer?
Which among the following polymers can NOT be remoulded?
Which among the following monomers is used to prepare Teflon?
Which of the following monomers is used in the manufacture of Neoprene rubber?
Which among the following polymers is used to manufacture chemical containers?
Which among the following is an example of addition polymer?
The commercial name of polyacrylonitrile is ______.
Name the polymers used in laminated sheets and give the name of monomeric units involved in its formation.
Which of the following products is formed when benzaldehyde is treated with CH3MgBr and the addition product so obtained is subjected to acid hydrolysis?
Which of the following polymer has ester linkage?
Which one of the following polymers are prepared by addition polymerization?
Nylon threads are made of ______.
Which among the following polymers has high tensile strength and is used to obtain tyre cords?
Which of the foolowing polymer is used in the manufacture of insulators.
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 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.
Name and draw structure of the repeating unit in natural rubber.
Write the structure of isoprene and the polymer obtained from it.
