Home
Class 11
CHEMISTRY
The electronic configuration of element ...

The electronic configuration of element `A, B`, and `C` are `[He]2s^(1),[Ne]3s^(1)`, and `[Ar]4s^(1)`, respectively. Which one of the following order is correct for the `IE_(1)` (in `kJ mol^(-1))` of `A`,`B,` and `C`?

A

`AgtBgtC`

B

`CgtBgtA`

C

`BgtCgtA`

D

`CgtAgtB`

Text Solution

Verified by Experts

The correct Answer is:
A
ionisation energy decraeses down the group.
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

The electronic configuration of copper is [Ar] 4s^(1) 3d^(10) and not [Ar] 4s^(2) 3d^(9) . Justify.

The electronic configuration of an element is 1s^(2), 2s^(2), 2p^(6), 3s^(3), 3p^(6), 3d^(5), 4s^(1) . This represents its :

Consider the following sequence of reaction : If electronic configuration of element X is [Ne]3s^(1) , then which of the following order is correct regarding given enthalpies ?

The electronic configuration of an element is 1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)3d^(5)4s^(1) This represents its

The electronic configuration of an element is 1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)3d^(5)4s^(1) .This represents its

The electronic configuration of an element is 1s^(2),2s^(2),2p^(6),3s^(2),3p^(6),3d^(5),4s^(1) . This represents its :

The electronic configuration of two elements 'A' and 'B' are 1s^(2)2s^(2)2p^(6)3s^(2)3p^(1) and 1s^(2)2s^(2)2p^(4) respectively.If the formula of compound is A_(x)B_(y) . Then the value of (x+y)/(x) is

Consider the following sequence of reaction: If electronic configuration of element X is [Ne]3s^(1) , then which of the following order is incorrect regarding given enthalpies?

DINESH PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-All Questions
  1. Which of the following does not exhibit the periodicity in properties ...

    Text Solution

    |

  2. Which one of the following is an incorrect statement?

    Text Solution

    |

  3. The electronic configuration of element A, B, and C are [He]2s^(1),[Ne...

    Text Solution

    |

  4. Which among the following species has the highest ionisation energy ?

    Text Solution

    |

  5. Eka-aluminium and Eka-silicon are known as :

    Text Solution

    |

  6. Which of the following order is wrong-

    Text Solution

    |

  7. Which is true about the electronegative order of the following element...

    Text Solution

    |

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

    Text Solution

    |

  9. Which of the following order is correct for the first ionozation poten...

    Text Solution

    |

  10. Electron affinity depends on

    Text Solution

    |

  11. Which of the following is correctly matched?

    Text Solution

    |

  12. Which of the following is not isoelectronic ?

    Text Solution

    |

  13. Two elements whose electronegativities are 1.2 and 3.0 the bond formed...

    Text Solution

    |

  14. The ions O^(2-), F^(-), Na^(+), Mg^(2+), and Al^(3+) are isoelectronic...

    Text Solution

    |

  15. According to the Periodic Law of elements, the Variation in properties...

    Text Solution

    |

  16. Which one of the following groupings represents a collection of isoele...

    Text Solution

    |

  17. Arrange in order of increasing I.P.

    Text Solution

    |

  18. Number of elements present in 5th period is

    Text Solution

    |

  19. What is the general outer electronic configuration of the coinage meta...

    Text Solution

    |

  20. How does the ionisation energy of 1st group elements very ?

    Text Solution

    |