Home
Class 12
CHEMISTRY
Assertion (A): Olefinic monomers undergo...

Assertion (A): Olefinic monomers undergo addition polymerisation.
Reason (R) : Polymerisation of vinyl chloride is initiated by peroxides/persulphates.

A

(A) and (R ) both are correct statement but reason does not explain (A)

B

(A) and (R ) both are correct statements and (R ) explains the (A)

C

Both (A) and (R ) are wrong statement

D

(A) is correct statement and (R ) is wrong statement

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • POLYMERS

    CHHAYA PUBLICATION|Exercise MCQ HOTSPOT|55 Videos

  • POLYMERS

    CHHAYA PUBLICATION|Exercise EXERCISE|50 Videos

  • POLYMERS

    CHHAYA PUBLICATION|Exercise ENTRANCE QUESTION BANK|26 Videos

  • P-BLOCK ELEMENTS

    CHHAYA PUBLICATION|Exercise PRACTICE SET 7 (ANSWER THE FOLLOWING QUESTIONS) : -|17 Videos

  • PREVIOUS YEAR QUESTION PAPER 2018

    CHHAYA PUBLICATION|Exercise NEET 2018|18 Videos

Similar Questions

Explore conceptually related problems

Name two monomers that take part in addition polymerisation.

____ polymerisation is used in the preparation of polyvinyl chloride from vinyl chloride.

Assertion (A): Most of the synthetic polymers are not biodegradable. Reason (R) : Polymerisation process induces toxic character in organic molecules.

What is addition or chain polymerisation? Why is it called vinyl polymerisation?

Why should the monomers used in addition polymerisation through free radical pathway be very pure?

Assertion (A): For making rubber synthetically, isoprene molecules are polymerised. Reason (R) : Neoprene (a polymer of chloroprene) is a synthetic rubber.

Assertion (A) : Boiling points of alkyl halides decrease in the order: RI > RBr > RCI > RF. Reason (R) : The boiling points of alkyl chlorides, bromides and iodides are considerably highter than that of the hydrocarbon of comparable molecular mass.

Assertion (A): Sodium chloride is added to precipitate soap after saponification. Reason (R) : Hydrolysis of esters of long chain fatty acids by the alkali produces soap in colloidal form.

Assertion (A) : tert-butyl bromide undergoes Wurtz reaction to give 2,2,3,3-tertramethylbutane. Reason (R) : In Wurtz reaction, alkyl halides reacts with sodium in dry ether to give hydrocarbon containing double the number of carbon atoms present in the halides.

Why is It important to have monomers ln their purest form In free radical addition polymerisation?

CHHAYA PUBLICATION-POLYMERS -SOLVED NCERT EXEMPLAR PROBLEMS
  1. To have practical applications why are cross links required in rubber?

    Text Solution

    |

  2. Why does cis-polyisoprene possess elastic property?

    Text Solution

    |

  3. What is the structural difference between HOP and LDP? How does the st...

    Text Solution

    |

  4. What is the role of benzoyl peroxide in addition polymerisation of alk...

    Text Solution

    |

  5. Which factor imparts crystalline nature to a polymer like nylon?

    Text Solution

    |

  6. Name the polymers used in laminated sheets and give the name of monome...

    Text Solution

    |

  7. Which type of biomolecules have some structural similarity with synthe...

    Text Solution

    |

  8. Why should the monomers used in addition polymerisation through free r...

    Text Solution

    |

  9. Assertion (A): Rayon is a semi synthetic polymer and is taken as a bet...

    Text Solution

    |

  10. Assertion (A): Most of the synthetic polymers are not biodegradable....

    Text Solution

    |

  11. Assertion (A): Olefinic monomers undergo addition polymerisation. R...

    Text Solution

    |

  12. Assertion (A): Polyamides are best used as fibres because of high tens...

    Text Solution

    |

  13. Assertion (A): For making rubber synthetically, isoprene molecules are...

    Text Solution

    |

  14. Assertion (A): Network polymers are thermosetting. Reason (R) : Net...

    Text Solution

    |

  15. Assertion (A): Polytetrafluoroethylene is used in making non-stick coo...

    Text Solution

    |

  16. Synthetic polymers do not degrade in the environment for a long time. ...

    Text Solution

    |

  17. Differentiate between rubbers and plastics on the basis of intermolecu...

    Text Solution

    |

  18. Phenol and formaldehyde undergo condensation to give a polymer (A) whi...

    Text Solution

    |

  19. Low density polythene and high density polythene, both are polymers of...

    Text Solution

    |

  20. Which of the following polymers soften on heating and harden on coolin...

    Text Solution

    |