19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Acrilon is a hard, horny and a high melting material. Which of the following represents its structure ? (a) (b) (c) (d)
Assertion: Network polymers are thermosetting. Reason: Network polymers have high molecular mass.
Which one of the following is a chain growth polymer?
Which one of the following monomers gives the polymer neoprene on polymerization? (a) (b) (c) (d)
The formation of which of the following polymers involves hydrolysis reaction?
Assertion: Polybutadiene is an example of chain growth polymer. Reason: Copolymerization of butadiene and styrene gives Buna-S.
Assertion: Most of the synthetic polymers are not biodegradable. Reason: Polymerisation process induces toxic character in organic molecules.
The monomer unit of given compound is:
Assertion: Bakelite is hard and has high melting point. Reason: Interparticle forces of attraction in it are due to H-bonding.
Assertion: 1, 3-Butadiene is the monomer for natural rubber. Reason: Natural rubber is formed through anionic addition polymerisation.
Assertion: Teflon has high thermal stability and chemical inertness. Reason: Teflon is a thermosetting polymer.
Assertion: Olefinic monomers undergo addition polymerisation. Reason: Polymerisation of vinyl chloride is initiated by peroxides/persulphates.
Which of the following sets contain only copolymers?
Chloroprene is the monomer unit in:
Which is not a macromolecule?
Assertion: Glypal is obtained by condensation polymerization of ethylene glycol and terephthalic acid. Reason: Glyptal is used in the manufacture of fabrics.
Teflon, styrene and neoprene are all
Which of the following sets contains only thermoplastics?
Assertion: Polytetrafluoroethene is used in making non-stick cookwares Reason: Fluorine has highest electronegativity.
Bakelite is obtained from phenol by reacting with
CF₂ = CF₂ is a monomer of
Nylon threads are made up of
Which of the following is a polyamide?
Which of the following is fully fluorinated polymer?
The polymer containing strong intermolecular forces, i.e. hydrogen bonding, is