Home
Class 11
CHEMISTRY
Which one of the following ions has the ...

Which one of the following ions has the smallest radius?

A

`Cl^-`

B

`S^(2-)`

C

`K^+`

D

`Ca^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
D
For isoelectronic species, the size decreases as the charge on the ion increases. Therefore, `Ca^(2+)` is smallest ion.
Promotional Banner

Topper's Solved these Questions

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    BRILLIANT PUBLICATION|Exercise QUESTIONS (LEVEL-II)|51 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    BRILLIANT PUBLICATION|Exercise QUESTIONS (LEVEL-III (Single Correct Answer Type ))|8 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    BRILLIANT PUBLICATION|Exercise QUESTIONS|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

Which of the following acids has the smallest dissociation constant?

Which of the following has the smallest bond angle?

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

Which of the following ions has the highestvalue of ionic radius?

BRILLIANT PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTIONS (LEVEL-I)
  1. Which pair of atomic numbers represents s-block elements?

    Text Solution

    |

  2. The atomic radius increases as we move down a group because

    Text Solution

    |

  3. Which one of the following ions has the smallest radius?

    Text Solution

    |

  4. Consider the ions: 'K^+, S^(2-), Cl^-' and 'Ca^(2+) .' The radii of th...

    Text Solution

    |

  5. The radius of Cr is minimum in which of the following compounds?

    Text Solution

    |

  6. The set representing the correct order of first ionization potential i...

    Text Solution

    |

  7. Which of the following has least electron affinity?

    Text Solution

    |

  8. Which of the following statements is correct with respect to the prope...

    Text Solution

    |

  9. The element with the electronic configurations as (Ar) 3d^(10)4s^(2)4p...

    Text Solution

    |

  10. The law of triads is not applicable with

    Text Solution

    |

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

    Text Solution

    |

  12. Following triads have approximately equal size

    Text Solution

    |

  13. Which pair is different from the others?

    Text Solution

    |

  14. Which is/are amphoteric oxides?

    Text Solution

    |

  15. Second electron affinity of an element

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  18. Which of the following oxides is most basic?

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |