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प्रश्न
Write the name of one example of each polymer in which following repeating units.
\[\begin{array}{cc}
\ce{(-CF2-CF2-), -[NH-(CH2)5-CO] -, -(CH2-CH-), (-CH2-CH2-)}\\
\phantom{............................}|\\
\phantom{..............................}\ce{CN}
\end{array}\]
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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.
Write the chemical reaction to prepare novolac polymer.
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
Answer the following.
Write structure of natural rubber and neoprene rubber along with the name and structure of their monomers.
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 |
Identify condensation polymers and addition polymers from the following.
\[\begin{array}{cc}\ce{-(CH2 - CH -)_{n}}\\
\phantom{....}|\\\ce{\phantom{.......}C6H5}
\end{array}\]
Identify condensation polymers and addition polymers from the following.
-(CH2 - CH = CH - CH2 -)n
Identify condensation polymers and addition polymers from the following.
-(CO(CH2)4 - CONH(CH2)6NH-)n
Attempt the following:
What is meant by LDP and HDP? Mention the basic difference between the same with suitable examples.
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 chemical reaction for preparation of the following.
Neoprene
Write chemical reactions for the preparation of high-density polythene.
Explain the reactions involved in the preparation of viscose rayon.
Which of the following polymer is used in paints?
How many isoprene units are present in abscisic acid?
Identify the CORRECT statement regarding the following polymer.
\[\begin{array}{cc}
\phantom{....}\ce{O}\phantom{............}\ce{O}\phantom{...................}\ce{H}\phantom{.....}\\
\phantom{....}||\phantom{.............}||\phantom{...................}|\phantom{......}\\
\ce{-[C - (CH2)4 - C - NH - (CH2)6 - N -]_{{n}}}
\end{array}\]
Novolac is obtained from ____________.
Which among the following polymers can NOT be remoulded?
Which of the following catalysts is used in preparation of terylene?
Identify the monomers used in the preparation of Novolac.
Which among the following polymers is an example of addition polymer?
The commercial name of polyacrylonitrile is ______.
Which of the following polymers, need atleast one diene monomer for their preparation?
(i) Dacron
(ii) Buna-S
(iii) Neoprene
(iv) Novolac
Name the polymers used in laminated sheets and give the name of monomeric units involved in its formation.
Match the polymers given in Column I with the type of linkage present in them given in Column II.
| 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 |
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?
F2C = CF2 is monomer of the polymer -
Trans - form of poly isoprene is:-
Nylon threads are made of ______.
Polymer used in bullet proof glass is ______.
Identify the monomer used to prepare neoprene.
Name and draw the structure of the repeating unit in natural rubber.
Name and draw the structure of the repeating unit in natural rubber.
Write the preparation of viscose rayon.
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 |
Name and draw the 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.
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 the structure of the repeating unit in natural rubber.
Write the structure of isoprene and the polymer obtained from it.
