Home
Class 11
CHEMISTRY
If Aufbau rule is not followed, K-19 wil...

If Aufbau rule is not followed, K-19 will be placed in........... block.

A

s

B

p

C

d

D

f

Text Solution

Verified by Experts

The correct Answer is:
C
d-block. In the absence of Aufbau rule the `19^(th)` electron would have gone to 3d level and the electronic configuration would have been `1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(6) 3d^(1)`
Promotional Banner

Topper's Solved these Questions

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    BRILLIANT PUBLICATION|Exercise LEVEL-II |50 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    BRILLIANT PUBLICATION|Exercise LEVEL-II (Assertion - Reason Type)|20 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    BRILLIANT PUBLICATION|Exercise QUESTION|11 Videos

  • CHEMICAL THERMODYNAMICS

    BRILLIANT PUBLICATION|Exercise LEVEL-III|52 Videos

  • ENVIRONMENTAL CHEMISTRY

    BRILLIANT PUBLICATION|Exercise QUESTIONS LEVEL-II (ASSERTION-REASON TYPE)|10 Videos

Similar Questions

Explore conceptually related problems

As per IUPAC rules, which one of the following groups, will be regarded as the principal functional group?

Which rule is violated in the following orbital diagram?

BRILLIANT PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-LEVEL-I
  1. The element with the electronic configurations as (Ar) 3d^(10)4s^(2)4p...

    Text Solution

    |

  2. The law of triads is not applicable with

    Text Solution

    |

  3. If Aufbau rule is not followed, K-19 will be placed in........... bloc...

    Text Solution

    |

  4. Following triads have approximately equal size

    Text Solution

    |

  5. Which pair is different from the others?

    Text Solution

    |

  6. Which is/are amphoteric oxides?

    Text Solution

    |

  7. Second electron affinity of an element

    Text Solution

    |

  8. Ionisation energy of F^Ɵ is 320 kJ mol^(-1) . The electron gain enthal...

    Text Solution

    |

  9. Which of the following element has the highest EN?

    Text Solution

    |

  10. Which of the following oxides is most basic?

    Text Solution

    |

  11. The IUPAC name for the element with atomic number, Z=119 is.

    Text Solution

    |

  12. An element which lies in the same group of the periodic table as mercu...

    Text Solution

    |

  13. Eka-aluminium and Eka-silicon are

    Text Solution

    |

  14. Considering the elements from left to right in the third period of the...

    Text Solution

    |

  15. Which of the following ions has the largest heat of hydration?

    Text Solution

    |

  16. According to Moseley, a straight line graph is obtained on plotting.

    Text Solution

    |

  17. An element having electronic configuration 1s^(2) 2s^(2) 2p^(6) 3s^(2)...

    Text Solution

    |

  18. The first ionisation potential of Na, Mg, Al and Si are in the order

    Text Solution

    |

  19. The pair of elements violating the law of octaves among the following ...

    Text Solution

    |

  20. Diagonal relationship is due to

    Text Solution

    |