Advertisements
Advertisements
प्रश्न
Write the name of one example of each polymer in which following repeating units.
\[\begin{array}{cc}
\ce{(-CF2-CF2-), -[NH-(CH2)5-CO] -, -(CH2-CH-), (-CH2-CH2-)}\\
\phantom{............................}|\\
\phantom{..............................}\ce{CN}
\end{array}\]
Advertisements
उत्तर
- \[\ce{(-CF2-CF2-)}\] is monomer unit of Teflon polymer.
- \[\ce{-[NH-(CH2)5-CO] -}\] is monomer unit of nylon 6 polymer.
- \[\begin{array}{cc}\ce{-(CH2-CH-)}\\\phantom{....}|\\\phantom{......}\ce{CN}
\end{array}\] is monomer unit of polyacrylonitrile polymer. - \[\ce{(-CH2-CH2-)}\] is monomer unit of polyethylene polymer.
APPEARS IN
संबंधित प्रश्न
Write any ‘two’ uses of terylene.
Explain the following term: Homopolymers
Bakelite is the polymer of:
(a) Benzaldchyde and phenol
(b) Acetaldehyde and phenol
(c) Formaldehyde and phenol
(d) Formaldehyde and benzyl alcohol
Write the structure of melamine.
Draw the structures of veronal and thymine.
Write the monomers of the following polymer :
Answer the following in one sentence.
Define the term: Vulcanization
Answer the following in one sentence.
What type of intermolecular force leads to high-density polymer?
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.
Write the reaction of the formation of Terylene.
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.
Draw the structures of polymers formed from the following monomers
H2N–(CH2)5 – COOH
Identify condensation polymers and addition polymers from the following.
-(CO(CH2)4 - CONH(CH2)6NH-)n
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?
Monomer used for preparation of polyacrylonitrile is _____________
Write chemical reaction for preparation of the following.
Buna-S
Explain vulcanization of rubber.
The following structure represents the polymer:
\[\begin{array}{cc}
\ce{[-C-CH2-NH-C-(-CH2)5 NH -]_{{n}}}\\
\phantom{}||\phantom{.............}||\phantom{................}\\
\phantom{}\ce{O}\phantom{.............}\ce{O}\phantom{................}
\end{array}\]
Identify additional polymers from the following.
I. \[\begin{array}{cc}
\ce{-(CH2 - CH -)_{{n}}}\\
\phantom{....}|\\
\phantom{.......}\ce{C6H5}
\end{array}\]
II. \[\ce{-(CH2 - CH = CH - CH2 -)_{{n}}}\]
III. \[\ce{-(CO(CH2)4 - CONH(CH2)6NH -)_{{n}}}\]
IV.
How many isoprene units are present in abscisic acid?
The INCORRECT match for the polymer with its application is:
Select the CORRECT match for both the polymers.
Which of the following polymers is a heteropolymer?
Which among the following polymers is obtained from CH2 = CH – CN by polymerisation?
Which of the following polymers is prepared by using phenol?
Which of the following pair of compounds is used as monomers for bakelite?
Which of the following is not a semisynthetic polymer?
The commercial name of polyacrylonitrile is ______.
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 is not a copolymer?
F2C = CF2 is monomer of the polymer -
Which of the following polymer has ester linkage?
Trans - form of poly isoprene is:-
Which of the following polymers is synthesized using a free radical polymerisation technique?
Polymer used in bullet proof glass is ______.
The catalyst used for the polymerisation of olefins is ______.
Which of the following polymer is used for manufacturing of buckets, dustbins, pipes, etc?
Which among the following polymers has high tensile strength and is used to obtain tyre cords?
Identify the monomer used to prepare neoprene.
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.
Name the compound which reacts with formaldehyde to produce ethyl alcohol.
Write the name of the monomer of natural rubber.
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 of isoprene and the polymer obtained from it.
Write the structure of isoprene and the polymer obtained from it.
Name and draw structure of the repeating unit in natural rubber.
