मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Write the structure of the monomer used in natural rubber. - Chemistry

Advertisements
Advertisements

प्रश्न

write the structure of the monomer used in natural rubber.

टीपा लिहा

उत्तर

\[\begin{array}{cc}\ce{CH3\phantom{....}}\\
|\phantom{.......}\\\ce{CH2 = \underset{\text{Isoprene}}{C - CH} = CH2}\end{array}\]

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 15: Introduction to Polymer Chemistry - Short Answer Questions (Type-I)

APPEARS IN

एससीईआरटी महाराष्ट्र Chemistry [English] 12 Standard HSC
पाठ 15 Introduction to Polymer Chemistry
Short Answer Questions (Type-I) | Q 3.2

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

Write the reactions involved in the preparation of  PVC


Explain the following term: Homopolymers


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.

What type of intermolecular force leads to high-density polymer?


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.

Write structure of natural rubber and neoprene rubber along with the name and structure of their monomers.


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.

-(CH2 - CH = CH - CH2 -)n


Write the reaction involved in the formation of:

Bakelite


Attempt the following:

What is meant by LDP and HDP? Mention the basic difference between the same with suitable examples.


Answer the following.

Is synthetic rubber better than natural rubber? If so, in what respect?


Nylon 6, 6 is a condensation polymer of hexamethylenediamine and _____________


Monomers ethylene glycol and terephthalic acid undergo condensation polymerization to give polymer called ___________


Write preparation of low density polythene.


Which of the following polymer is used in paints?


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?


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:


Identify the INCORRECT match.


Which of the following polymers is obtained from chloroprene?


Which among the following catalysts is used in the preparation of dacron?


Which among the following polymers is an example of addition polymer?


Which of the following pair of compounds is used as monomers for bakelite?


Which of the following polymer is used to make blankets?


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 one of the following polymers are prepared by addition polymerization?


Which of the following is an example of polyester?


Nylon threads are made of ______.


Polymer used in bullet proof glass 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?


Which of the following is a polymer of enzyme?


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


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


How the Bakelite is prepared? Give the steps involved in the preparation.


Name the compound which reacts with formaldehyde to produce ethyl alcohol.


Write the preparation of viscose rayon.


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


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.


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.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×