Polymers · Chemistry · TS EAMCET
MCQ (Single Correct Answer)
Consider the following sequence of reaction
$$ 2 \mathrm{CH}_3 \mathrm{Cl}+\mathrm{Si} \xrightarrow[573 \mathrm{~K}]{\mathrm{Cu}} X \xrightarrow{\mathrm{H}_2 \mathrm{O}} Y \xrightarrow{\text { Polymerisation }} Z $$
The repeating structural unit in Z is
Polymer $X$ is an example of polyester and $Y$ is an example of polyamide $X$ and $Y$ are respectively
$$ \text { Match the following. } $$
The correct answer is
Neoprene is the polymer of a monomer $X$. IUPAC name of $X$ is
' $X$ ' is a polymer, which is mainly used for making unbreakable cups and laminated sheets. The monomers of ' $X$ ' are
What are ' $X$ ' and ' $Y$ ' respectively in the following reactions ?
$\mathbf{Assertion (A)}$ Silicones are used for water proofing of fabrics.
$\mathbf{Reason (R)}$ The repeating unit in silicones is
The correct answer is
Identify the structure of the polymer 'P' formed in the given reaction
Caprolactam $\xrightarrow[\mathrm{H}_2 \mathrm{O}]{533-543 \mathrm{~K}} P$
Match the following.
| List-I (Monomer/s) | List-II (Name of polymer) |
| A. CF₂$=$CF₂ | I. Neoprene |
| B. NH₂(CH₂)₆NH₂, HO₂C(CH₂)₄CO₂H | II. Bakelite |
| C. C₆H₅OH₃ HCHO | III. Teflon |
| D. CH₂$=$CH(Cl)—CH$=$CH₂ | IV. Nylon 6,6 |
The correct answer is
$$ \text { Match the following. } $$
$$ \begin{array}{llll} \hline & \text { List-I (Polymer type) } & & \text { List-II (Example) } \\ \hline \text { A. } & \text { Fibre } & \text { I. } & \text { Bakelite } \\ \hline \text { B. } & \text { Elastomer } & \text { II. } & \text { Polystyrene } \\ \hline \text { C. } & \text { Thermosetting polymer } & \text { III. } & \text { Neoprene } \\ \hline \text { D. } & \text { Thermosplastic polymer } & \text { IV. } & \text { Dacron } \\ \hline \end{array} $$
The correct answer is
Ziegler-Natta catalyst is used in the manufacture of
$R$ is one of the monomers for the formation of a polymer called
Identify the correct statement from the following.
A. Glyptal is made from the monomers ethylene glycol and phthalic acid.
B. Bakelite is used in making electrical switches.
C. Nylon 2-nylon-6 is a biodegradable polymer.
A polymer sample contains 3 molecules of molar mass $10^3, 3$ molecules of molar mass 500 and 4 molecules of molar mass 200 . What is it's weight average molecular mass?
$$ \text { Match the following } $$
| List-I (Polymer) |
List-II (Monomers) |
||
|---|---|---|---|
| (A) | Bakelite |
(I) | $$ \text { 2-methvl-1, 3-butadiene } $$ |
| (B) | Natural rubber | (II) | $$ \text { Glvcine + aminocaproic acid } $$ |
| (C) | Glyptal | (III) | $$ \text { Phenol + formaldehyde } $$ |
| (D) | Nylon 2-nylon 6 | (IV) | $$ \text { Phthalic acid + ethylene glycol } $$ |
$$ \text { The structure given below is an example of } $$
I. A condensation and biodegradable polymer.
II. A biodegradable and thermoplastic polymer.
III. A biodegradable and thermosetting polymer.
IV. A polyester and thermoplastic polymer.
Which one among the following is a semi-synthetic polymer?
$$ \text { Monomeric units of melamine polymer are } $$
Type of reaction involved in the initial step in the formation of bakelite
Which of the following are synthetic rubbers?
(i) Terylene
(ii) Buna-S
(iii) Buna-N
(iv) Neoprene
(v) Polyacrylonitrile
Which of the following vinyl derivatives is the most reactive towards anionic polymerisation?