हिंदी

Write chemical reaction for preparation of the following. Neoprene

Advertisements
Advertisements

प्रश्न

Write chemical reaction for preparation of the following.

Neoprene

Write equations used for the synthesis of Neoprene.

How is neoprene synthesised?

रासायनिक समीकरण/संरचनाएँ
अति संक्षिप्त उत्तर
Advertisements

उत्तर

In the presence of a peroxide, free radical addition polymerization of chloroprene (2-chlorobuta-1,3-diene) produces neoprene.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 15: Introduction to Polymer Chemistry - Short Answer Questions (Type-I)

APPEARS IN

एससीईआरटी महाराष्ट्र Chemistry [English] 12 Standard HSC
अध्याय 15 Introduction to Polymer Chemistry
Short Answer Questions (Type-I) | Q 6.2

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

Write the reactions involved in the preparation of  PVC


Write the structures of the monomers used for getting the following polymers

Melamine – formaldehyde 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.

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


Answer the following.

Write the reaction of the formation of Nylon 6.


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

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


Answer the following.

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


Attempt the following:

Explain the vulcanisation of rubber. Which vulcanizing agents are used for the following synthetic rubber?
a. Neoprene
b. Buna-N


Write preparation, properties, and uses of Teflon.


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


Monomer used for preparation of polyacrylonitrile is _____________


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


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

polyacrylonitrile


Write the name of one example of each polymer in which following repeating units.

\[\begin{array}{cc}
\ce{(-CF2-CF2-), -[NH-(CH2)5-CO] -, -(CH2-CH-), (-CH2-CH2-)}\\
\phantom{............................}|\\
\phantom{..............................}\ce{CN}
\end{array}\]


Write two uses and two properties of polythene.


Explain the reactions involved in the preparation of viscose rayon.


Which of the following is used as a substitute for wool?


How many isoprene units are present in abscisic acid?


Identify the CORRECT statement regarding the following polymer.

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


Select the CORRECT match for both the polymers.


Identify the polymer obtained by polymerization of n moles of acrylonitrile.


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 monomers is used in the manufacture of Neoprene rubber?


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 one of the following polymers are prepared by addition polymerization?


Polymer used in bullet proof glass is ______.


Which of the following polymers do not involve cross linkages?


Identify the monomer used to prepare neoprene.


Answer the following.

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


Write the preparation of viscose rayon.


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 and name of the monomer of Nylon-6.


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


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


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


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


Name and draw the 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.


Which from following statements is NOT true regarding neoprene?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×