Home
Class 12
CHEMISTRY
There is slight increase in atomic radii...

There is slight increase in atomic radii Zn, Cd and Hg is due to

A

Decrease electron-electron repulsion

B

Decrease in nuclear charge

C

Increased electron-electron repulsion

D

Increase in shielding effect

Text Solution

Verified by Experts

The correct Answer is:
C
Hint : due to increase in electron-electron repulsion between the added electrons in the same orbitals
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

There is continuous decrease in atomic radii from Lanthanum (La) to Lutetium (Lu). Give reason. What are its consequences ?

Name the basic cause of similar atomic radii of Hf and Zr.

The melting and boiling points of Zn, Cd and Hg are low.Why ?

The correct order of increasing energy of atomic orbitals is

Because of lanthanoid contraction, which of the following pairs of elements have nearly same atomic radii? (Numbers in the parenthesis are atomic numbers)

A larger increase in reaction rate with small rise in temperature is due to

ACCURATE PUBLICATION-D & F BLOCK ELEMENTS -2 OR 5 MARKS QUESTIONS
  1. There is slight increase in atomic radii Zn, Cd and Hg is due to

    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

    |