Home
Class 12
CHEMISTRY
(A): The bond dissociation energy of flu...

(A): The bond dissociation energy of fluorine is less than bromine.
(R): In fluorine molecule, large lone pair electronic repulsions and appreciable internuclear repulsions are present.

A

Both (A) and (R ) are true and (R ) is the correct explanation of (A)

B

Both (A) and (R ) are true and (R ) is not the correct explanation of (A)

C

(A) is true but (R ) is false

D

Both (A) and (R ) are false

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • VII GROUP ELEMENTS

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE -3|12 Videos

  • VIA GROUP ELEMENTS

    AAKASH SERIES|Exercise PRACTICE SHEET - 5 ( Integer answer type Questions)|6 Videos

  • VIIA GROUP ELEMENTS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|58 Videos

Similar Questions

Explore conceptually related problems

(A): Electron affinity of fluorine is lower than that of chlorine (R): Fluorine has small and compact size and stronger inter electron repulsion than chlorine.

Electron gain enthalpy of fluorine is less than that of chlorine - explain.

Electron affinity of Fluorine is less than that of Chlorine because

The total number of lone pairs of electrons present in a S_8 molecule.

(A): The first ionisation energy of B is less than that of Be (R) : The penetration ability of s- electrons is higher than that of p- electrons The correct answer is

The number of lone pairs and bond pairs present on Xe of XeO_3 , molecule

(A) Electron gain enthalpy of fluorine is less than chlorine but fluorine is a strong oxidising agent than chlorine (R ) Fluorine has low enthalpy of dissociation and fluoride has high hydration enthalpy

AAKASH SERIES-VII GROUP ELEMENTS-OBJECTIVE EXERCISE -4
  1. (A): The bond dissociation energy of fluorine is less than bromine. ...

    Text Solution

    |

  2. (A): Reaction given below is possible 2KCI + Br2 to Cl(2) + 2KBr (...

    Text Solution

    |

  3. (A): Electron affinity of fluorine is lower than that of chlorine (R...

    Text Solution

    |

  4. (A): Cl - O bond length decreases from CIO^(-) to ClO(4)^(-) (R): CI...

    Text Solution

    |

  5. (A): Bromine does not displace chlorine from its salt solution (R): ...

    Text Solution

    |

  6. (A) : lodine is the only halogen that is naturally available in positi...

    Text Solution

    |

  7. (A) : Chlorine acts as a bleaching agent in the presence of moisture ...

    Text Solution

    |

  8. (A): HBr is stronger acid than HI. (R) : Bromine is more electronega...

    Text Solution

    |

  9. (A): Iodine displaces bromine from KBrO3 (R): Iodine is strong oxidi...

    Text Solution

    |

  10. (A) OX^(-) on heating in the presence of OH^(-) gives X^(-)andXO(3)^(-...

    Text Solution

    |

  11. (A) : Chlorine is gas, bromine is liquid and iodine is solid (R) : I...

    Text Solution

    |

  12. (A): Hydrogen iodide is most stable among hydrogen halides (R): Iodi...

    Text Solution

    |

  13. (A): Oxidation ability increases from HOCI to HCIO4 (R): Oxidation n...

    Text Solution

    |

  14. (A) Aqueous fluoride on electrolysis at inertanode liberates oxygen ...

    Text Solution

    |

  15. (A): Fluorine does not form oxyacids (R): Electronegativity of fluor...

    Text Solution

    |

  16. (A): lodine appears in violet colour. (R): Iodine absorbsviolet part...

    Text Solution

    |

  17. (A) :Among hydrogen halides, hydrogen fluoride is least volatile. (R...

    Text Solution

    |

  18. (A) HClO is stronger acid than HBrO (R ) Greater is the electronegat...

    Text Solution

    |

  19. (A) : Fluorine is the best oxidising agent (R ) SRP is highest for F...

    Text Solution

    |

  20. OF^(-) does not exist , though HOF is known (R ) HOF molecule does n...

    Text Solution

    |