Home
Class 11
CHEMISTRY
Why is the second electron gain enthalpy...

Why is the second electron gain enthalpy negative (i.e. energy is absorbed)?

Text Solution

Verified by Experts

Second is to be added to negatively charged ions which will repel the incoming electron. The energy required to overcome repulsion is more than energy released on adding electron.
Promotional Banner

Topper's Solved these Questions

  • APPENDIX - INORGANIC VOLUME 1

    CENGAGE CHEMISTRY|Exercise Exercise Short|146 Videos

  • APPENDIX - INORGANIC VOLUME 1

    CENGAGE CHEMISTRY|Exercise chapter-2 Multiple correct answer|2 Videos

  • APPENDIX - INORGANIC VOLUME 1

    CENGAGE CHEMISTRY|Exercise chapter-7 Single correct answer|1 Videos

  • ALKYNES

    CENGAGE CHEMISTRY|Exercise Exercises (Archives - Analytical and Desriptive Type)|4 Videos

  • ATOMIC STRUCTURE

    CENGAGE CHEMISTRY|Exercise Concept Applicationexercise(4.3)|19 Videos

Similar Questions

Explore conceptually related problems

Electron gain enthalpy will be positive in

Electron gain enthalpy and electronegativity

Electron gain enthalpy and electronegativity

Would you expect the second electron gain enthalpy of O as positive, more negative or less negative than the first? Justify your answer.

Would you expect the second electron gain enthalpy of S as positive, more negative or less negative than the first? Justify your answer.

Why fluorine has lesser electron gain enthalpy than chlorine?

CENGAGE CHEMISTRY-APPENDIX - INORGANIC VOLUME 1-Exercise very short
  1. Electron Gain Enthalpy

    Text Solution

    |

  2. Generally electron gain enthalpy on going down a group, and on going...

    Text Solution

    |

  3. Why is the second electron gain enthalpy negative (i.e. energy is abs...

    Text Solution

    |

  4. Why fluorine has lesser electron gain enthalpy than chlorine?

    Text Solution

    |

  5. Isoelectronic species have the same number of .

    Text Solution

    |

  6. Lanthanides and actinides belong to block of the periodic table.

    Text Solution

    |

  7. Generally, the atomic size along a period gradually decreases due to i...

    Text Solution

    |

  8. The formula for fluoride of carbon is .

    Text Solution

    |

  9. The solubility of alkali metal carbonateas one goes down the group.

    Text Solution

    |

  10. The electronic configuration of Re^(3+) is (Xe)4f^(14)5d^(4), the numb...

    Text Solution

    |

  11. Lother Meyer atttempts to classify the elements by plotting graph betw...

    Text Solution

    |

  12. Second period ends with .

    Text Solution

    |

  13. The first transition series is called transition series.

    Text Solution

    |

  14. Why do alkali metals have lowest ionisation energy?

    Text Solution

    |

  15. Why are lanthanides and actinides place at the bottom of the periodic ...

    Text Solution

    |

  16. How do the basicity and solubility in water vary from Be(OH)(2) to Ba(...

    Text Solution

    |

  17. Why are cations smaller than neutral atom?

    Text Solution

    |

  18. Why are anions bigger than neutral atom?

    Text Solution

    |

  19. Which is the smallest among Na^(o+),Mg^(2+),Al^(3+), and why?

    Text Solution

    |

  20. Which has the largest ionic radius Ca^(2+),Mg^(2+),Ba^(2+)?

    Text Solution

    |