Home
Class 11
CHEMISTRY
Assertion: EA1 of fluorine is less than ...

Assertion: `EA_1` of fluorine is less than that of chlorine.
Reason: Additional electrons are repelled more effectively by 3p electrons in Cl atoms than by 2p electrons in F atom than Cl.

A

Both A and B true and R is the correct explanation A

B

Both A and R are true but R is not a correct explanation of A

C

A is true but R is false

D

A is false but R is true

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL BONDING AND MOLECULAR STRUCTURE

    DINESH PUBLICATION|Exercise COMPREHENSION|4 Videos

  • ENVIRONMENTAL CHEMISTRY

    DINESH PUBLICATION|Exercise Integer Type Questions|4 Videos

Similar Questions

Explore conceptually related problems

Assertion (A) :F atom has less electron than CI^(Theta) atom Reason (R ) : Additional electrons are repelled more effectively by 3p electron in CI atom than by 2p electron in F atom

Assertion: F atom has less electron afffinity than Cl atom. Reason: Additional electrons are repelled more strongly by 3p electrons in Cl atom than by 2p electrons in F atom.

Assertion: F atom has a less negative electron affinity than CI atom. Reason: Additional electrons are repelled more effectival by 3p electrons in CI atom than by 2p electrons in F atom.

Assertion: F atom has less negative electron gain enthaply than Ci atom. Reason: Additional eletrons are repelled more effectively by 3 p-electronic in Ci than by 2 p-electrons is F atom.

Statement-1 : F arom has a less negative electron gain enthalpy than Cl atom. Statement-2 : Additional electron is repelled more efficiently by 3p electron in Cl atom than by 2p electron in F atom.

DINESH PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-All Questions
  1. Assertion: EA1 of fluorine is less than that of chlorine. Reason: Ad...

    Text Solution

    |

  2. The 3rd period of the periodic table contains

    Text Solution

    |

  3. The element californium belongs to a family of

    Text Solution

    |

  4. Which set contains pair of elements that do not belong to same group b...

    Text Solution

    |

  5. Which of the following belongs to the category of transition metals?

    Text Solution

    |

  6. Without looking at the periodic table, select the elements belonging t...

    Text Solution

    |

  7. The elements of same group of the periodic table have

    Text Solution

    |

  8. The elements which are characterised by the outer shell configuration ...

    Text Solution

    |

  9. Elements with atomic number 35 belongs to

    Text Solution

    |

  10. Pd has exceptional valence shell electronic configuration of 4d^(10)5s...

    Text Solution

    |

  11. The element with atomic number 56 belongs to which block ?

    Text Solution

    |

  12. The tenth element in the periodic table resembles the elements with at...

    Text Solution

    |

  13. The first ionisation energy of Al is smaller than that of Mg because :

    Text Solution

    |

  14. The second ionisation potential is

    Text Solution

    |

  15. Which of the elements show least values of ionisation enthalpy within ...

    Text Solution

    |

  16. Which of the following isoelectronic ions have the lowest ionization e...

    Text Solution

    |

  17. Which of the following process requires the largest amount of energy ?

    Text Solution

    |

  18. From the ground state electronic configuration of the elements given ...

    Text Solution

    |

  19. The elements which occupy the peaks of ionisation energy curve are

    Text Solution

    |

  20. The power of an atom to attract the shared pair in a molecule:

    Text Solution

    |

  21. Which out of the following has the largest ionisation energy ?

    Text Solution

    |