Structures of some common polymers are given. Which one is not correctly presented?

1. Teflon

${(- {CF}_{2} - {CF}_{2} -)}_{n}$

2.   Neoprene

${(- {CH}_{2} - \underset{Cl}{\underset{|}{C}} = CH - {CH}_{2} - {CH}_{2} -)}_{n}$

3. Terylene



4. Nylon 66

   ${[- NH {({CH}_{2})}_{6} NHCO {({CH}_{2})}_{4} - CO -]}_{n}$

Subtopic: Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |

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AIPMT - 2009

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Q7:

Which of the following structures represents neoprene polymer?

1.

{(- {CH}_{2} - \underset{Cl}{\underset{|}{C}} = CH - {CH}_{2} -)}_{n}

2.

{({CH}_{2} - \overset{CN}{\overset{|}{CH}} -)}_{n}

3.

{(- {CH}_{2} - \overset{Cl}{\overset{|}{CH}} -)}_{n}

4.

{(- \underset{C_{6} H_{5}}{\underset{|}{CH}} - {CH}_{2} -)}_{n}

Subtopic: Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |

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AIPMT - 2010

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Q8:

Of the following which one is classified as polyester polymer?

1. Bakelite

2. Melamine

3. Nylon-66

4. Terylene

Subtopic: Classification - Methods of Polymerization & Copolymerization | Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |

66%

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AIPMT - 2011

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Q9:

Which one of the following is not a condensation polymer?

1. Melamine

2. Glyptal

3. Dacron

4. Neoprene

Subtopic: Classification - Methods of Polymerization & Copolymerization |

70%

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AIPMT - 2012

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Q10:

Nylon is an example of :

1. Polysaccharide
2. Polyamide
3. Polythene
4. Polyester

Subtopic: Classification - Methods of Polymerization & Copolymerization |

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AIPMT - 2013

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Q11:

Dacron is a polymer of :

1. Propylene and para $H O - (C_{6} H_{4}) - O H$

2. Benzolic acid and ethanol .

3. Terepthalic acid and ethylene glycol.

4. Benzoic acid and para $H O - (C_{6} H_{4}) - O H$

Subtopic: Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |

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AIPMT - 2014

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Q12:

Which one of the following is an example of a thermosetting polymer?

1.

{(- {CH}_{2} - \underset{Cl}{\underset{|}{C}} = CH - {CH}_{2} -)}_{n}

2.

{({CH}_{2} - \underset{Cl}{\underset{|}{CH}} -)}_{n}

3.

{(- \overset{H}{\overset{|}{N}} - {({CH}_{2})}_{6} - \overset{H}{\overset{|}{N}} - \overset{O}{\overset{| |}{C}} {({CH}_{2})}_{4} - \overset{O}{\overset{| |}{C -}})}_{n}

4.

Subtopic: Classification - Methods of Polymerization & Copolymerization |

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Q13:

Biodegradable polymer which can be produced from glycine and aminocaproic acid is

1. Nylon 2-nylon 6
2. PHBV
3. Buna-N
4. Nylon-6, 6

Subtopic: Classification - Methods of Polymerization & Copolymerization | Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |

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NEET - 2015

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Q14:

Caprolactum is used for the manufacture of

1. Nylon-6

2. Teflon

3. Terylene

4. Nylon-6,6

Subtopic: Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |

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NEET - 2015

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Q15:

Natural rubber has

1. All trans-configuration
2. Alternate cis - and trans-configuration
3. Random cis - and trans-configuration
4. All cis-configuration

Subtopic: Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |

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NEET - 2016

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Structures of some common polymers are given. Which one is not correctly presented? 1. Teflon -CF2-CF2-n 2. Neoprene -CH2-C|Cl=CH-CH2-CH2-n 3. Terylene 4. Nylon 66 -NHCH26NHCOCH24-CO-n

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