Advertisements
Advertisements
प्रश्न
Write the reactions involved in the preparation of PVC
Advertisements
उत्तर
PVC :
APPEARS IN
संबंधित प्रश्न
Write any ‘two’ uses of terylene.
Explain the following term: Homopolymers
Based on molecular forces, what type of polymer is neoprene?
Write the monomers of the following polymer :
Answer the following in one sentence.
Define the term: Vulcanization
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:
Explain the vulcanisation of rubber. Which vulcanizing agents are used for the following synthetic rubber?
a. Neoprene
b. Buna-N
Answer the following.
Is synthetic rubber better than natural rubber? If so, in what respect?
Answer the following.
Write main specialities of Buna-S, Neoprene rubber?
Write the name of the catalyst used for preparation of high density polythene polymer.
Monomer of natural rubber is __________
write the structure of the monomer used in natural rubber.
Write preparation of low density polythene.
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 chemical reactions for the preparation of high-density polythene.
Which among the following polymers is used for making handles of cooker?
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.
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:
Select the CORRECT match for both the polymers.
Which of the following polymers is obtained from chloroprene?
Which of the following polymers is a heteropolymer?
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.
Identify the catalyst used in the manufacture of high density polythene.
Which of the following monomers is used in the manufacture of Neoprene rubber?
Which of the following pair of compounds is used as monomers for bakelite?
Which among the following polymers is used to manufacture chemical containers?
Identify addition polymer from the following.
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 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 ______.
Which of the following polymer has ester linkage?
Nylon threads are made of ______.
Which of the following polymers do not involve cross linkages?
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.
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.
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.
