Home
Class 12
CHEMISTRY
Which of the following ions of first tra...

Which of the following ions of first transition series has smallest ionic radii ?

A

`Mn^(2+)`

B

`Ni^(2+)`

C

`Fe^(2+)`

D

`Co^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
B
Hint: Ionic radius decreases across a period.
Promotional Banner

Topper's Solved these Questions

  • D & F BLOCK ELEMENTS

    ACCURATE PUBLICATION|Exercise 1 OR 2 MARK QUESTIONS|40 Videos

  • D & F BLOCK ELEMENTS

    ACCURATE PUBLICATION|Exercise 2 OR 5 MARKS QUESTIONS|61 Videos

  • COORDINATION COMPOUNDS

    ACCURATE PUBLICATION|Exercise 2 MARKS QUESTIONS|23 Videos

  • ELECTRO CHEMISTRY

    ACCURATE PUBLICATION|Exercise Numbericals Practice|44 Videos

Similar Questions

Explore conceptually related problems

Which of the following contain transition metal ?

Which of the following is the smallest unit?

Which of the following ions has smallest radius ?

Which of the following is smallest unit ?

Which of the following ions are colourless ?

Which of the following ions are colourless ?

Which does not belong to first transition series?

ACCURATE PUBLICATION-D & F BLOCK ELEMENTS -2 OR 5 MARKS QUESTIONS
  1. Which of the following ions of first transition series has smallest io...

    Text Solution

    |

  2. What are transition elements ? Which of the d block elements are not r...

    Text Solution

    |

  3. What are the characteristics of the transition elements ?

    Text Solution

    |

  4. In what way is the electronic configuration of transition elements dif...

    Text Solution

    |

  5. Why is Copper considered as transition metal ?

    Text Solution

    |

  6. Scandium (z = 21) is a transition element but zinc (z = 30) is not. Ex...

    Text Solution

    |

  7. Sliver atom has completely filled d-orbitals (4d^10) in its ground sta...

    Text Solution

    |

  8. [Ti (H2O)6]^(3+) is coloured while [Sc(H2O)6]^(3+) is colourless. Expl...

    Text Solution

    |

  9. Explain why TiCl3 is coloured but TiCl4 is colourless ?

    Text Solution

    |

  10. Explain why [Ti (H2O)6]^(3+) is violet while [Ti (H2O)6]^(4+) is colou...

    Text Solution

    |

  11. Why Cd^(2+) salts are white ? Cd=48

    Text Solution

    |

  12. Which of the two is paramagnetic V(IV) or V(V) and why ?

    Text Solution

    |

  13. Why does Mn(II) shows maximum paramagnetic character among the dival...

    Text Solution

    |

  14. Name the elements represented by following symbols : Hg , Pb , Au , Ag...

    Text Solution

    |

  15. What is atomicity ? Explain with two examples.

    Text Solution

    |

  16. What is the atomicity of the following : oxygen

    Text Solution

    |

  17. Explain why Cu(I) is diamagnetic while Cu(II) is paramagnetic in natur...

    Text Solution

    |

  18. Transition metals have high melting points and boiling points. Why?

    Text Solution

    |

  19. What is the atomicity of the following : ozone

    Text Solution

    |

  20. What is the atomicity of the following : neon

    Text Solution

    |

  21. What is the atomicity of the following : phosphorous

    Text Solution

    |