Home
Class 12
CHEMISTRY
Initiators that can be used in cationic ...

Initiators that can be used in cationic polymerization is/are
(a) `KNH_(2)` (b) `H_(2)SO_(4)`
(c) `BF_(3)` with little amount of `H_(2)O` (d) t-butyl peroxide
The correct answer is

A

All are correct

B

only a

C

only b and c

D

only a and d

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • POLYMERS

    AAKASH SERIES|Exercise Level - I (Exercise - II)|42 Videos

  • POLYMERS

    AAKASH SERIES|Exercise Level - I (Exercise - II) (Assertion (A) & Reason (R) type questions)|21 Videos

  • PERIODIC TABLE

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|37 Videos

  • PRACTICAL CHEMISTRY

    AAKASH SERIES|Exercise PRACTICE SHEET-5 (Integer answer Type questions)|6 Videos

Similar Questions

Explore conceptually related problems

H_(2)SO_(4) is used in

Initiators that can be used in anionic polymerisation is/are (a) Potassium amide (b) n-butyl lithium (c) AlCl_(3) (d) H_(2)SO_(4) The correct answer is

Write any two uses each for O_(3) and H_(2)SO_(4) .

Balance the following chemical equations. a) NaOH+H_(2)SO_(4)rarr Na_(2)SO_(4)+H_(2)O

Chain initiation and chain propagation steps are involved in a) Cationic polymerization b) Anionic polymerization Free radical polymerization d) Condensation polymerization The correct answer is

2NaOH+SO_(2) to A+H_(2)O B+H_(2)O+SO_(2) to 2NaHSO_(3). A and B are

Balance the follwowing equations. 5) NaOH +H_(2)SO_(4) rarr Na_(2)SO_(4)+H_(2)O

Balance the equation : SO_(2) + Na_(2)CrO_(4) + H_(2)SO_(4) rarr Na_(2)SO_(4) + Cr_(2)(SO_(4))_(3) + H_(2)O

(i) H_(2)O_(2)+O_(3)toH_(2)O+2O_(2) (ii) H_(2)O_(2)+Ag_(2)O to 2Ag+H_(2)O+O_(2) Role of hydrogen peroxide in the above reaction is respectively

AAKASH SERIES-POLYMERS-OBJECTIVE EXERCISE - 4
  1. Initiators that can be used in cationic polymerization is/are (a) KN...

    Text Solution

    |

  2. (A) Glyptal is a condensation homo polymer. (R) Glyptal is used to p...

    Text Solution

    |

  3. (A): Molecular mass of polymers is always expressed as an average. (...

    Text Solution

    |

  4. (A): F(2)C=CF(2), is the monomer of teflon. (R): Polytetrafluoroethy...

    Text Solution

    |

  5. (A): The chains of nylon-6, 6 are held by hydrogen bonding forces. (...

    Text Solution

    |

  6. (A) : Natural rubber and gutta percha are examples of cis-trans isomer...

    Text Solution

    |

  7. (A): Styrene is more reactive than propylene towards cationic polymeri...

    Text Solution

    |

  8. (A) Nylon-6 is obtained by polymerization of caprolactam. (R) Nylon-...

    Text Solution

    |

  9. (A) P.V.C is an addition copolymer (R) P.V.C is used to prepare hand...

    Text Solution

    |

  10. (A) Vulcanised rubber is stiff and has little tendency to absorb water...

    Text Solution

    |

  11. (A) Natural rubber is cis polyisoprene. (R) Isoprene is 2-methyl-1,3...

    Text Solution

    |

  12. (A) Thermosetting polymers are cross linked polymers. (R) Thermosett...

    Text Solution

    |

  13. (A) Natural rubber is an elastomer. (R) The intermolecular forces of...

    Text Solution

    |

  14. (A) Bakelite is prepared by copolymerisation of formaldehyde and pheno...

    Text Solution

    |

  15. (A) Cellulose is natural polymer. (R) Cellulose is obtained from pla...

    Text Solution

    |

  16. (A) Cellulose acetate is a semisynthetic polymer. (R) Natural polyme...

    Text Solution

    |

  17. (A) Poly vinyl chloride is a linear polymer. (R) Poly vinyl chloride...

    Text Solution

    |

  18. (A) L.D.P.E is a branched polymer. (R) L.D.P.E is inert tough and fl...

    Text Solution

    |

  19. (A) Bakelite is a cross linked polymer. (R) Bakelite is formed from...

    Text Solution

    |

  20. (A) Benzene does not undergo polymerisation. (R) Benzene loses aroma...

    Text Solution

    |

  21. (A) Ethylene can undergo polymerisation. (R) Ethylene contain a weak...

    Text Solution

    |