Advertisements
Advertisements
प्रश्न
Monomer of natural rubber is __________
उत्तर
Monomer of natural rubber is isoprene
APPEARS IN
संबंधित प्रश्न
Explain the following term: Homopolymers
Write the formulae of the raw materials used for preparation of Dextran.
Draw the structures of veronal and thymine.
Choose the correct option from the given alternatives.
Which of the following is made up of polyamides?
Answer the following in one sentence.
Identify 'A' in the following reaction:
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.
-(CH2 - CH = CH - CH2 -)n
Identify condensation polymers and addition polymers from the following.
Write the structure of isoprene and the polymer obtained from it.
Monomers ethylene glycol and terephthalic acid undergo condensation polymerization to give polymer called ___________
Write the name and formulae of the monomers used for the preparation of dacron.
Write chemical reactions for the preparation of high-density polythene.
Write two uses and two properties of polythene.
Explain vulcanization of rubber.
Which of the following is used as a substitute for wool?
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?
How many isoprene units are present in abscisic acid?
Which of the following polymers is obtained from chloroprene?
Novolac is obtained from ____________.
Identify the polymer obtained by polymerization of n moles of acrylonitrile.
Which of the following catalysts is used in preparation of terylene?
Which among the following polymers is obtained from CH2 = CH – CN by polymerisation?
Which among the following monomers is used to prepare Teflon?
Which of the following monomers is used in the manufacture of Neoprene rubber?
Which of the following pair of compounds is used as monomers for bakelite?
Identify addition polymer from the following.
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.
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 of the following is an example of polyester?
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 ______.
Name and draw the structure of the repeating unit in natural rubber.
Name the compound which reacts with formaldehyde to produce ethyl alcohol.
Another name of terylene is ______.
Name and draw structure of the repeating unit in natural rubber.
Match the following pairs:
| Polymer | Monomer | ||
| (i) | Teflon | (a) | CH2 = CH2 |
| (ii) | PVC | (b) | CF2 = CF2 |
| (iii) | Natural rubber | (c) | Isoprene |
| (iv) | Polythene | (d) | H2C=CHCl |
Write the structure and name of monomer of 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.
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.
Write the structure of isoprene and the polymer obtained from it.
Write the structure of isoprene and the polymer obtained from it.
Write the structure of isoprene and the polymer obtained from it.
