Polymers - Organic Chemistry - Chemistry Previous Year Questions

Monomer A of a polymer on ozonolysis yields two moles of HCHO and one mole of CH\(_3\)COCHO.

(A) Deduce the structure of A.

(B) Write the structure of "all \(cis\)" forms of polymer of compound A.

Match the chemical substances in Column I with type of polymers/type of bonds in Column II. Indicate your answer by darkening the appropriate bubbles of the 4 \(\times\) 4 matrix given in the ORS.

Among cellulose, poly(vinyl chloride), nylon and natural rubber, the polymer in which the intermolecular force of attraction is weakest is

The correct functional group X and the reagent/reaction condition Y in the following scheme are

Under hydrolytic conditions, the compounds used for preparation of linear polymer and for chain termination, respectively, are

On complete hydrogenation, natural rubber produces

The monomer (X) involved in the synthesis of Nylon 6,6 gives positive carbylamine test. If 10 moles of X are analyzed using Dumas method, the amount (in grams) of nitrogen gas evolved is ______.

Use: Atomic mass of N (in amu) = 14

In the following reaction sequence, major products $\mathbf{X}$ and $\mathbf{Y}$ are acyclic monomers.

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

Given :

Atomic mass (in amu): $\mathrm{H}: 1, \mathrm{C}: 12, \mathrm{~N}: 14, \mathrm{O}: 16, \mathrm{Br}: 80$