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Polymers

AIPMT 2007MCQEasyNot asked in last 5 yrs+4−1
Ques. 1AIPMT 2007

Which one of the following polymers is prepared by condensation polymerisation?

  1. Teflon
  2. Natural rubber
  3. Polystyrene
  4. Nylon-6,6

Answer

(4) Nylon-6,6

Solution

Teflon (from CF2=CF2), natural rubber (cis-polyisoprene) and polystyrene (from C6H5CH=CH2) are addition polymers: monomers with double bonds add on without loss of any molecule.

As per NCERT, nylon-6,6 is prepared by the condensation polymerisation of hexamethylenediamine with adipic acid under high pressure and at high temperature:

nHOOC(CH2)4COOH + nH2N(CH2)6NH2

553 K, high pressure -[NH(CH2)6NHCO(CH2)4CO]n- + 2nH2O

∴ Nylon-6,6 is a condensation polymer.

Answer: (4)

Out of syllabus

Keep practising — Polymers

Ques. 2AIPMT 2006

[ NH(CH2)6NHCO(CH2)4CO ]n is a

  1. homopolymer
  2. copolymer
  3. addition polymer
  4. thermosetting polymer.
Out of syllabus
Ques. 3AIPMT 2005

The monomer of the polymer [figure]

  1. [figure]
  2. CH3CH=CHCH3
  3. CH3CH=CH2
  4. (CH3)2C=C(CH3)2
Out of syllabus
Ques. 4AIPMT 2004

Which one of the following is a chain growth polymer?

  1. Starch
  2. Nucleic acid
  3. Polystyrene
  4. Protein
Out of syllabus
Ques. 5AIPMT 2003

Acrilan is a hard, horny and a high melting material. Which one of the following represents its structure?

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
Out of syllabus
Ques. 6AIPMT 2003

Which one of the following monomers gives the polymer neoprene on polymerization?

  1. CH2=CHCl
  2. CCl2=CCl2
  3. [figure]
  4. CF2=CF2
Out of syllabus
Ques. 7AIPMT 2002

Monomer of [figure] is

  1. 2-methylpropene
  2. styrene
  3. propylene
  4. ethene
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Ques. 8AIPMT 2001

Which of the following is not correctly matched?

  1. Neoprene : [figure]
  2. Nylon-6,6 : [figure]
  3. Terylene : [figure]
  4. PMMA : [figure]
Out of syllabus
Ques. 9AIPMT 2000

CF2=CF2 is the monomer of

  1. teflon
  2. orlon
  3. polythene
  4. nylon-6
Out of syllabus

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