Polymers

In the following reaction sequence, major products X and Y are acyclic monomers.

$\ce{CH3I}$ $\xrightarrow[\text{3. Red P, }\ce{Br2}\quad\text{4. }\ce{NH3}\text{ (excess)}]{\text{1. KCN}\quad\text{2. }\ce{H3O+},\ \Delta}$ X

Caprolactam $\xrightarrow[\Delta]{\ce{H3O+}}$ Y

500 mol of X completely reacts with 500 mol of Y to give 1 mol of a single biodegradable acyclic copolymer Z as the only product. The amount of Z formed in grams is ____.

Given: Atomic mass (in amu): H : 1, C : 12, N : 14, O : 16, Br : 80

The molecular weight of U is _____.

In the following reactions, P, Q, R, and S are the major products.

The correct statement(s) about P, Q, R, and S is(are)

Among the following, the correct statement(s) about polymers is(are)

Which of the following is an example of polyester ?

Which of the following is not an example of a condensation polymer?

The Novolac polymer has mass of 963 g. The number of monomer units present in it are

Which of the following sets are correct regarding polymer ?

(A) Copolymer : Buna-S

(B) Condensation polymer : Nylon-6,6

(C) Fibres : Nylon-6,6

(D) Thermosetting polymer : Terylene

(E) Homopolymer : Buna-N

Choose the correct answer from given options below :

Match List - I with List - II.

Choose the correct answer from the options given below :

Which is true about Buna-N?

Which one of the following is NOT a copolymer ?

Given below are two statements, one is Assertion (A) and other is Reason (R).

Assertion (A) : Natural rubber is a linear polymer of isoprene called cis-polyisoprene with elastic properties.

Reason (R) : The cis-polyisoprene molecules consist of various chains held together by strong polar interactions with coiled structure.

In the light of the above statements, choose the correct one from the options given below :

The polymer, which can be stretched and retains its original status on releasing the force is

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.

Assertion A: Dacron is an example of polyester polymer.

Reason R: Dacron is made up of ethylene glycol and terephthalic acid monomers.

In the light of the above statements, choose the most appropriate answer from the options given below.

Match List - I with List - II.

Choose the correct match from the options given below :

Melamine polymer is formed by the condensation of :

Match List I with List II :

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Vulcanization of rubber is carried out by heating a mixture of

Match List I with List II.

Choose the correct answer from the options given below:

Match List - I with List - II.

Choose the correct answer from the options given below :