Home
Class 12
CHEMISTRY
Electronic configuration of a transition...

Electronic configuration of a transition element X in (+3) oxidation state is `[Ar]3d^(5)`. What is its atomic number?

A

25

B

26

C

27

D

24

Text Solution

Verified by Experts

The correct Answer is:
B
`X^(+3): [Ar] 3d^(5)`
`:. X = [Ar] 3d^(6) 4s^(2) rArr Z= 26`
Promotional Banner

Topper's Solved these Questions

  • THE D-AND F-BLOCK ELMENTS

    KUMAR PRAKASHAN|Exercise Section D (Multiple Choice Questions More than one options)|10 Videos

  • THE D-AND F-BLOCK ELMENTS

    KUMAR PRAKASHAN|Exercise Section D (Short Answer Type Questions|20 Videos

  • THE D-AND F-BLOCK ELMENTS

    KUMAR PRAKASHAN|Exercise Section C (Textual Exercise)|35 Videos

  • SURFACE CHEMISTRY

    KUMAR PRAKASHAN|Exercise SECTION - E (MCQs asked in GUJCET/Board Exams)|52 Videos

  • THE P-BLOCK ELEMENTS

    KUMAR PRAKASHAN|Exercise SECTION-E (MULTIPLE CHOICE QUESTIONS (MCQS)) (MCQS ASKED IN BOARD EXAM)|77 Videos

Similar Questions

Explore conceptually related problems

Of the following outer electronic configuration of atoms, the highest oxidation state is achieved by which one of them ?

KUMAR PRAKASHAN-THE D-AND F-BLOCK ELMENTS-Section D (Multiple Choice Questions)
  1. Electronic configuration of a transition element X in (+3) oxidation s...

    Text Solution

    |

  2. The electronic configuration of Cu(II) is 3d^(9) whereas that of Cu(I)...

    Text Solution

    |

  3. Metallic radii of some transition elements are given below. Which of t...

    Text Solution

    |

  4. Generally transition elements form coloured salts due to the presence ...

    Text Solution

    |

  5. On addition of small amount of KMnO(4) to concentrated H(2)SO(4), a gr...

    Text Solution

    |

  6. The magnetic nature of elements drpends on the presence of unpaired el...

    Text Solution

    |

  7. Which of the following oxidation state is common for all lanthanoids?

    Text Solution

    |

  8. Which of the following reactions are disproportionation reactions? ...

    Text Solution

    |

  9. When KMnO(4) solution is added to oxalic acid solution, the decolouriz...

    Text Solution

    |

  10. There are 14 elements in actinold series. Which of the following eleme...

    Text Solution

    |

  11. KMnO(4) acts as an oxidising agent in acidic medium. The number of mol...

    Text Solution

    |

  12. Which of the following is amphoteric oxide ? Mn(2)O(7), CrO(3), Cr(2)O...

    Text Solution

    |

  13. Gadolinium belongs to 4f series. It's atomic number is 64. Which of th...

    Text Solution

    |

  14. Intersititial compounds are formed when small atoms are trapped inside...

    Text Solution

    |

  15. The magnetic moment is associated with its spin angular momentum and o...

    Text Solution

    |

  16. KMnO(4) acts as an oxidising agent in alkaline medium. When alkaline K...

    Text Solution

    |

  17. Which of the following statements is not correct?

    Text Solution

    |

  18. When acidified K(2)Cr(2)O(7) solution is added to Sn^(2+) salts then S...

    Text Solution

    |

  19. Highest oxidation state of manganese in fluoride is (+4) (MnF(4)) but ...

    Text Solution

    |

  20. Although Zirconium belongs to 4d transition series and Hafnium to 5d t...

    Text Solution

    |