English

Explain the Following Term: Homopolymers - Chemistry

Advertisements
Advertisements

Question

Explain the following term: Homopolymers

Advertisements

Solution

Homopolymers

A polymer made from identical repeating unit of one monomer is called homopolymer.

Example: Polyethene, PVC, Nylon-6

shaalaa.com
  Is there an error in this question or solution?
2012-2013 (March)

APPEARS IN

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

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 : 


Choose the correct option from the given alternatives.

Which of the following is made up of polyamides?


Answer the following in one sentence.

Identify 'B' in the following reaction:

\[\ce{H2N -(CH2)6 - NH2 + HOOC - (CH2)4 - COOH ->[N2][533 K]}\]'B'


Answer the following in one sentence.

Define the term: Vulcanization


Answer the following in one sentence.

Identify thermoplastic and thermosetting plastic from the following:

  1. PET
  2. Urea formaldehyde resin
  3. Polythene
  4. Phenol formaldehyde resin

Answer the following.

Name the polymer type in which following linkage is present.

\[\begin{array}{cc}\ce{- C - O -}\\||\phantom{.....}\\
\ce{O\phantom{.....}}\end{array}\]


Draw the structures of polymers formed from the following monomers

\[\ce{n HOOC–R–COOH + n HO–R'–OH}\]


Answer the following.

Draw the structures of polymers formed from the following monomers

H2N–(CH2)5 – COOH


Answer the following.

Write name and formula of raw material from which bakelite is made.


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.

-(CO(CH2)4 - CONH(CH2)6NH-)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.


Answer the following.

Write main specialities of Buna-S, Neoprene rubber?


Write the structure of isoprene and the polymer obtained from it.


Write the name of the catalyst used for preparation of high density polythene polymer.


Monomer used for preparation of polyacrylonitrile is _____________


Monomer of natural rubber is __________


Write a chemical reaction for the preparation of the following polymer.

polyacrylonitrile


Write chemical reactions for the preparation of high-density polythene.


Write two uses and two properties of polythene.


The following structure represents the polymer:

\[\begin{array}{cc}
\ce{[-C-CH2-NH-C-(-CH2)5 NH -]_{{n}}}\\
\phantom{}||\phantom{.............}||\phantom{................}\\
\phantom{}\ce{O}\phantom{.............}\ce{O}\phantom{................}
\end{array}\]


How many isoprene units are present in abscisic acid?


Identify the CORRECT statement regarding the following polymer.

\[\begin{array}{cc}
\phantom{....}\ce{O}\phantom{............}\ce{O}\phantom{...................}\ce{H}\phantom{.....}\\
\phantom{....}||\phantom{.............}||\phantom{...................}|\phantom{......}\\
\ce{-[C - (CH2)4 - C - NH - (CH2)6 - N -]_{{n}}}
\end{array}\]


The INCORRECT match for the polymer with its application is:


Which of the following is the monomer of neoprene?


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'?


Which of the following polymers is obtained from chloroprene?


Novolac is obtained from ____________.


Which among the following polymers can NOT be remoulded?


Which of the following catalysts is used in preparation of terylene?


Which among the following monomers is used to prepare Teflon?


Which among the following polymers is used to manufacture chemical containers?


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


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  

Which of the following is not a copolymer?


Which of the following products is formed when benzaldehyde is treated with CH3MgBr and the addition product so obtained is subjected to acid hydrolysis?


The monomer of Teflon is ______.


F2C = CF2 is monomer of the polymer -


Which of the following polymers is synthesized using a free radical polymerisation technique?


Which of the foolowing polymer is used in the manufacture of insulators.


Write the name of the monomer of 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.


Name and draw structure of the repeating unit in natural rubber.


Name and draw structure of the repeating unit in natural rubber.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×