Polymers
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Keep it short & simple. Type complete word. Avoid abusive language.
The final product ‘C’ in the following series of reactions
The final product ‘C’ in the following series of reactions
Kindly consider the following figure
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Consider the above reaction and identify the intermediate ‘X’
Consider the above reaction and identify the intermediate ‘X’
This is the formation of free radical mechanism, hence free radical will be formed
Upvote The polymer, which can be stretched and retains its original status on releasing the force is
The polymer, which can be stretched and retains its original status on releasing the force is
Buna – N is synthetic rubber which can be stretched and retains its original status on releasing the force.
Upvote Vulcanization of rubber is carried out by heating a mixture of
Vulcanization of rubber is carried out by heating a mixture of
Vulcanization of rubber is carried out by heating a mixture of isoprene and sulphur.
Upvote Copolymer is the polymer formed by two or more monomers having multiple bonds.
Buna – S, PHBV and butadiene – styrene are copolymers. Neoprene is homopolymer.
Upvote In a linear tetrapeptide (Constituted with different amino acids), (number of amino acids) (number of peptide bonds) is_______________.
In a linear tetrapeptide (Constituted with different amino acids), (number of amino acids) (number of peptide bonds) is_______________.
No. of Amino acid units are 4 and
No. of peptide bonds are 3
In tetrapeptide
Upvote Buna-N is obtained by copolymerization of 1, 3-butadiene and acrylonitrile,
Upvote 15.22 Identify the monomer in the following polymeric structures.
15.22 Identify the monomer in the following polymeric structures.
Upvote 15.21 Write the names and structures of the monomers of the following polymers: (i) Buna-S (ii) Buna-N (iii) Dacron (iv) Neoprene
15.21 Write the names and structures of the monomers of the following polymers: (i) Buna-S (ii) Buna-N (iii) Dacron (iv) Neoprene
15.17 Kindly consider the following
Upvote Assertion : Polytetrafluoroethene is used in making non-stick cookwares.
Reason : Fluorine has highest electronegativity.
(i) Assertion and reason both are correct statement but reason does not explain assertion.
(ii) Assertion and reason both are correct statements and reason explains the assertion.
(iii) Both assertion and reason are wrong statement.
(iv) Assertion is correct statement and reason is wrong statement. (v) Assertion is wrong statement and reason is correct statement.
Assertion : Polytetrafluoroethene is used in making non-stick cookwares.
Reason : Fluorine has highest electronegativity.
(i) Assertion and reason both are correct statement but reason does not explain assertion.
(ii) Assertion and reason both are correct statements and reason explains the assertion.
(iii) Both assertion and reason are wrong statement.
(iv) Assertion is correct statement and reason is wrong statement. (v) Assertion is wrong statement and reason is correct statement.
This is a assertion and reason answer type question as classified in NCERT Exemplar
(iv) Assertion is correct statement and reason is wrong statement. (v) Assertion is wrong statement and reason is correct statement.
Explanation: Most of the Synthetic polymers are not biodegradable. A large num
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