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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Write the structure of the monomer used in natural rubber.

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प्रश्न

write the structure of the monomer used in natural rubber.

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उत्तर

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

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पाठ 15: Introduction to Polymer Chemistry - Short Answer Questions (Type-I)

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

Write the reactions involved in the preparation of  PVC


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


Draw the structures of veronal and thymine. 


Write the monomers of the following polymer : 


Answer the following in one sentence.

Identify 'A' in the following reaction:


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.

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


Identify condensation polymers and addition polymers from the following.

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


Attempt the following:

Write the chemical reactions involved in the manufacture of Nylon 6,6.


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.


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


Monomer used for preparation of polyacrylonitrile is _____________


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


Which of the following polymer is used in paints?


Identify the CORRECT statement regarding the following polymer.

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


Identify the INCORRECT match.


Which of the following is the monomer of neoprene?


Select the CORRECT match for both the polymers.


Novolac is obtained from ____________.


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


Which among the following polymers is obtained from CH2 = CH – CN by polymerisation?


Which of the following monomers is used in the manufacture of Neoprene rubber?


Which of the following polymer is used to make blankets?


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


Which of the following polymers is used as insulation for cables?


Which among the following is an example of addition polymer?


Which of the following is not a semisynthetic polymer?


The commercial name of polyacrylonitrile is ______.


Match the polymers given in Column I with their repeating units given in Column II.

Column I Column II
(i) Acrilan

(a) \[\begin{array}{cc}
\ce{-(CH2 - CH)\underset{n}{-}}\\
\phantom{....}|\\
\phantom{.......}\ce{C6H5}
\end{array}\]

(ii) Polystyrene (b) \[\begin{array}{cc}
\ce{Cl}\phantom{.......}\\
|\phantom{........}\\
\phantom{}\ce{-(CH2 - C = CH - CH2)\underset{n}{-}}
\end{array}\]
(iii) Neoprene (c) \[\begin{array}{cc}
\phantom{................................}\ce{CN}\\
\phantom{..............................}|\\
\ce{-(CH2 - CH = CH - CH2 - CH2 - CH)\underset{n}{-}}
\end{array}\]
(iv) Novolac (d) \[\begin{array}{cc}
\ce{-(CH2 - CH)\underset{n}{-}}\\
\phantom{.....}|\\
\phantom{.......}\ce{CN}
\end{array}\]
(v) Buna—N (e) 
  (f)  \[\begin{array}{cc}
\ce{-(CH2 - CH)\underset{n}{-}}\\
\phantom{.....}|\\
\phantom{......}\ce{Cl}
\end{array}\]

Which of the following is not a copolymer?


Which one of the following polymers are prepared by addition polymerization?


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 ______.


Answer the following.

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


Answer the following.

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


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


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


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


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.


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.


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.


Identify polyamide polymer from following.


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