a. Styrene b. Tetrafluoro ethylene c. Vinyl chloride d. Acrylonitrile Ans. d (15)
a. Melamine and tetrafluoroethane b. Malonic acid and hexamethyleneamine c. Melamine and vinyl acetate d. Melamine and formaldehyde Ans. d (8)
a. Protein b. Nylon c. Peptide d. All of these Ans. d (6)
a. They have high molecular weights and high melting points b. They have a high degree of cross- linking by strong C- C bond c. They have linear molecules consisting of very long chains d. They have linear molecules interlinked …
a. Increases b. Decreases c. Remains unchanged d. Uncertain Ans. a (15)
a. Polythene b. Perspex c. Teflon d. Bakelite Ans. c (6)
a. Nylon – 6 b. Teflon c. Terylene d. Bakelite Ans. a (7)
a. Ethylene b. 1- chloroethene c. Propene d. 1 – chloroethene Ans. d (6)
a. Benzene b. Phenyl amine c. Benzaldehyde d. Phenol Ans. d (6)
a. Monofluoroethene b. Difluoroethene c. Trifluoroethene d. Tetrafluoroethene Ans. d (5)
The compound that does not undergo polymerization under radical initiation, is a. (i) b. (ii) c. (iii) d. (iv) Ans. d (8)
a. Hexamethylene diamine and ehhylene glycol b. Adipic acid and ethylene glycol c. Adipic acid and hexamethylene diamine d. Dimethyl terephthalate and ethylene glycol Ans. c (11)
a. Bakelite b. Polystyrene c. Nylon d. PVC Ans. a (11)
a. Propene b. Butadiene c. Adipi acid d. Amino acid Ans. d (8)
a. (i) b. (ii) c.(iii) d. (iv) Ans. a (6)
a. Bakelite b. Nylon 6, 6 c. Terylene d. Nylon 6 Ans. d (9)
a. RSiCl 3 b. R 2 SiCl 2 c. R 3 SiCl d. R4 Si Ans. a (4)
a. CH 3 SiCl 3 and Si (CH 3 ) 4 b. (CH3 ) 2 SiCl 2 and (CH 3) 3 SiCl c. (CH3 ) 2 SiCl 2 and CH 3 SiCl 3 d. SiCl 4 and (CH 3) 3 SiCl Ans. b (4)
a. LialH 4 b. HNO 3 c. AlCl 3 d. BuLi Ans. c (15)
a. Wolf rearrangment b. Amadori rearrangement c. Curtius rearrangement d. Beckmann rearrangement Ans. d (45)
a. Hydrolysis of (CH3 )3 SiCl followed by condensation b. Hydrolysis of CH3 SiCl3 followed by condensation c. Hydrolysis of (CH 3)4 Si by addition polymerisation d. Hydrolysis of (CH 3)2 SiCl 2 followed by condensation polymerisation Ans. d (11)
a. Polymers b. Copolymer c. Addition d. Condensation polymer Ans. b (30)
a. Polystyrene b. Protein c. Starch d. Nucleic acid Ans. b (6)
a. Butyal rubber b. Poly styrene c. Starch d. PVC Ans. a (9)
a. Titanium tetrachloride and triphenyl aluminium b. Titanium tetrachloride and triethyl aluminium c. Titanium dioxide d. titanium isopropoxide Ans. b (9)
a. Solid polymer of nylon 66 b. liquid polymer of nylon 66 c. Gaseous polymer of nylon 66 d. Liquid polymer of nylon 6 Ans. b (4)
a. Condensation reaction between monomers b. corrdinate reaction between monomers c. Conversaion of monomers to monomers ions by protons d.Hydrolysis of monomers Ans. a (8)
a. Sterospecific b. Non-metallic complexes c. Gaseous catalysts d. Universal in all polymerisation reactionos Ans. a (6)
a. Ziegler- Natta process b. Heating with peroxides c. Condensing in sealed tubes d. Condensing with styrenes Ans. a (12)
a. Below 10° C b. 10° to 50° C c. 50° to 80° C d. 80° to 140° C Ans. c (8)