Home
Class 11
CHEMISTRY
Which of the given represents correct or...

Which of the given represents correct order of incrasing first ionisation enthalpy for Ca, Ba, S, Se and Ar-

A

`Ca lt Ba lt S lt Se lt Ar`

B

`CA lt S lt Ba lt Se lt Ar`

C

`S lt Se lt Ca lt Ba lt Ar`

D

`BA lt Ca lt Se lt S lt Ar`

Text Solution

Verified by Experts

The correct Answer is:
D
On moving from left to right across a period in the periodic table, the values of ionisation enthalpy of elements increase, while moving down a group it decreases.
Promotional Banner

Topper's Solved these Questions

  • CLASSIFICATION OF ELEMENTS & PERIODICITY IN PROPERTIES

    CHHAYA PUBLICATION|Exercise MCQ HOTSPOT|45 Videos

  • CLASSIFICATION OF ELEMENTS & PERIODICITY IN PROPERTIES

    CHHAYA PUBLICATION|Exercise MCQ HOTSPOT (More than One correct Type)|20 Videos

  • CLASSIFICATION OF ELEMENTS & PERIODICITY IN PROPERTIES

    CHHAYA PUBLICATION|Exercise HIGHER ORDER THINKING SKILLS (HOTS) QUESTIONS|17 Videos

  • CHEMICAL BONDING AND MOLECULAR STRUCTURE

    CHHAYA PUBLICATION|Exercise PRACTICE SET|10 Videos

  • REDOX REACTIONS

    CHHAYA PUBLICATION|Exercise PRACTICE SET|4 Videos

Similar Questions

Explore conceptually related problems

Correct order of first ionisation enthalpy for Gr-13 elements is-

Which of the following represents correct order of conductivity in solids ?

Which of the following represents correct order of conductivity in solids-

Which of the following represents the correct bond order-

Which has highest ionisation enthalpy, N, O, Ar, P?

Which of the following options represents the correct bond order?

The correct decreasing order of first ionisation enthalpies of five elements of the second period is

CHHAYA PUBLICATION-CLASSIFICATION OF ELEMENTS & PERIODICITY IN PROPERTIES-ENTRANCE QUESTION BANK
  1. The increasing order of the ionic radii of the given isoelectronic spe...

    Text Solution

    |

  2. The first ionisation potential of Na is 5.1 eV. The value of electron ...

    Text Solution

    |

  3. Which of the given represents correct order of incrasing first ionisat...

    Text Solution

    |

  4. Which one has the highest boiling point-

    Text Solution

    |

  5. Ionic radii (Å) of N^(3-),O^(2-) and F^(-) are -

    Text Solution

    |

  6. Which of the following atoms ha the highest first ionisation energy-

    Text Solution

    |

  7. The group having isoelectronic species is-

    Text Solution

    |

  8. Both lithium and magnesium displace several similar propertiess due to...

    Text Solution

    |

  9. What is the value of electron-gain enthalpy of Na^(+) if IE(1) of Na=5...

    Text Solution

    |

  10. In which of the following arrangements, given sequence is not accordin...

    Text Solution

    |

  11. Identify the wrong statement among the following-

    Text Solution

    |

  12. Reason of lanthanoid contraction is-

    Text Solution

    |

  13. Be^(2+) is isoelectronic with which of the following ions?

    Text Solution

    |

  14. Which of the following orders of ionic radii is correctly represented ...

    Text Solution

    |

  15. The species Ar, K^(+) and Ca^(2+) contain the same number of electrons...

    Text Solution

    |

  16. Because of lanthanide contraction, which of the following pairs of ele...

    Text Solution

    |

  17. In which of the following options the order of arrangement does not ag...

    Text Solution

    |

  18. The element Z=114 has been discovered recently. It will belong to whic...

    Text Solution

    |

  19. Among CaH(2),BeH(2),BaH(2), the order of ionic character is-

    Text Solution

    |

  20. Which of the following is most acidic?

    Text Solution

    |