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प्रश्न
Answer the following in one sentence.
Identify 'A' in the following reaction:
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उत्तर
Polymer ‘A’ is:
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संबंधित प्रश्न
Write the chemical reaction to prepare novolac polymer.
Explain the following term: Homopolymers
Bakelite is the polymer of:
(a) Benzaldchyde and phenol
(b) Acetaldehyde and phenol
(c) Formaldehyde and phenol
(d) Formaldehyde and benzyl alcohol
Write the structure of melamine.
Write the structures of the monomers used for getting the following polymers
Melamine – formaldehyde polymer
Draw the structures of veronal and thymine.
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 the reaction of the formation of Terylene.
Answer the following.
Write structure of natural rubber and neoprene rubber along with the name and structure of their monomers.
Identify condensation polymers and addition polymers from the following.
-(CH2 - CH = CH - CH2 -)n
Attempt the following:
Explain the vulcanisation of rubber. Which vulcanizing agents are used for the following synthetic rubber?
a. Neoprene
b. Buna-N
Write the structure of isoprene and the polymer obtained from it.
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 reaction for preparation of the following.
Buna-S
Write two uses and two properties of polythene.
Which of the following compounds is used to prepare orlon?
Which among the following catalysts is used in the preparation of dacron?
Identify the catalyst used in the manufacture of high density polythene.
Which among the following monomers is used to prepare Teflon?
Which of the following polymers is prepared by using phenol?
Which of the following monomers is used in the manufacture of Neoprene rubber?
Which of the following is not a semisynthetic polymer?
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 |
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?
Trans - form of poly isoprene is:-
Which of the following polymers is synthesized using a free radical polymerisation technique?
Nylon threads are made of ______.
Polymer used in bullet proof glass is ______.
Which of the following polymers do not involve cross linkages?
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 the compound which reacts with formaldehyde to produce ethyl alcohol.
Name and draw structure of the repeating unit in natural rubber.
Write the structure and name of the monomer of Nylon-6.
Write the structure and name of monomer of 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.
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.
Name and draw structure of the repeating unit in natural rubber.
Write the structure of isoprene and the polymer obtained from it.
Which among the following is a monomer of natural rubber?
