Chapter 30

Match the following $$ \begin{array}{ll} \hline \text { Column-I } & \text { Column-II } \\ \hline \text { (a) Nylon } 6,6 & \text { (p) Polyester } \\ \text { (b) Dacron } & \text { (q) Polyamide } \\ \text { (c) Teflon } & \text { (r) Condensation polymer } \\ \text { (d) Bakelite } & \text { (s) Addition polymer } \\ & \text { (t) } \mathrm{C}_{2} \mathrm{~F}_{4} \end{array} $$

Match the following Column-I Column-II (a) Cellulose (p) synthetic polymer (b) Nylon 6 (q) amide linkage (c) Silk (r) \(3 \mathrm{D}\) - Network structure (d) Bakelite (s) glycosidic linkage (t) biopolymer

Match the following: \(\begin{array}{ll}\text { List I } & \text { List II }\end{array}\) 1\. Coordination (i) Polypeptide polymerization 2\. Free radical (ii) Nylon-6, 6 polymerization 3\. Addition (iii) Zeigler-Natta polymerization 4\. Natural rubber (iv) Azobis isobutyronitrile (v) cis-1,4-polyisoprene The correct matching is: 1 2 3 4 (a) (iii) (iv) (ii) (v) (b) (ii) (v) (i) (iv) (c) (iii) (v) (iv) (ii) (d) (i) (iii) (iv)

Match the following: List I List II (Polymer) \(\quad\) (Polymerizing units) 1\. Bakelite (i) Butadiene and styrene 2\. Dacron (ii) Phenol and methanal 3\. Nylon-66 (iii) 1,2 -dihydrooxyethane and dimethyl terephthalate 4\. Buna-S (iv) Urea and methanal (v) 1 , 6-hexanedioic acid and 1, 6 -diamino hexane The correct matching is: \(\begin{array}{llll}1 & 2 & 3 & 4\end{array}\) (a) (iii) (v) (ii) (iv) (b) (ii) (iii) (iv) (i) (c) (iv) (iii) (v) (i) (d) (ii) (iii) (v) (i)

Match the following: List 1 List II I 1\. Phenol+formaldehyde (i) Synthetic rubber 2\. Terephthalic acid + (ii) Bakelite ethylene glycol 3\. Caprolactam (iii) Nylon-66 4\. Butadiene \(+\) styrene (iv) Terylene The correct matching is: \(1 \quad 2\) 3 4 (a) (iv) (ii) (iii) (i) (b) (ii) (iv) (iii) (i) (c) (iii) (ii) (i) (iv) (d) (ii) (iii) (iv) (i)

Which of the following is a polyamide? (a) Teflon (b) Nylon-6, 6 (c) Terylene (d) Bakelite

Which of the following is a fully fluorinated polymer? [2005] (a) Neoprene (b) Teflon (c) Thiokol (d) PVC

Buna \(-\mathrm{N}\) synthetic rubber is copolymer of: [2009] (a) \(\mathrm{H}_{2} \mathrm{C}=\mathrm{CH}-\mathrm{CH}=\mathrm{CH}_{2}\) and \(\mathrm{H}_{5} \mathrm{C}_{6}-\mathrm{CH}=\mathrm{CH}_{2}\) (b) \(\mathrm{H}_{2} \mathrm{C}=\mathrm{CH}-\mathrm{CN}\) and \(\mathrm{H}_{2} \mathrm{C}=\mathrm{CH}-\mathrm{CH}=\mathrm{CH}_{2}\) (c) \(\mathrm{H}_{2} \mathrm{C}=\mathrm{CH}-\mathrm{CN}\) and C=CC(=C)C C=CC(=C)Cl (d) \(\mathrm{H}_{2} \mathrm{C}=\mathrm{CH}-\mathrm{C}=\mathrm{CH}_{2}\) and \(\mathrm{H}_{2} \mathrm{C}=\mathrm{CH}-\mathrm{CH}=\mathrm{CH}_{2}\)

The polymer containing strong intermolecular forces e.g., hydrogen bonding is [2010] (a) Teflon (b) nylon 6,6 (c) polystyrene (d) natural rubber

The species which can best serve as an initiator for the cationic polymerization is [2012] (a) \(\mathrm{AlCl}_{3}\) (b) \(\mathrm{HNO}_{3}\) (c) \(\mathrm{LiAlH}_{a}\) (d) \(\mathrm{BuLi}\)

Which polymer is used in the manufacture of paints and lacquers? [2017] (a) Bakelite (b) Glyptal (c) Polypropene (d) Poly vinyl chloride

Which of the following statements about low density polythene is false? [2016] (a) It is poor conductor of electricity (b) Its synthesis requires oxygen or a Peroxide indicator as a Catalyst (c) Its synthesis requires high Pressure (d) It is used in the manufacture of buckets, dustbins etc.