Home
Class 11
CHEMISTRY
The correct order of ionic radius is-...

The correct order of ionic radius is-

A

`Ce gt Sm gt Tb gt Lu`

B

`Lu gt Tb gt Sm gt Ce`

C

`Tb gt Lu gt Sm gt Ce`

D

`Sm gt Tb gt Lu gt Ce`

Text Solution

Verified by Experts

The correct Answer is:
A
[Due to lanthanide contraction, left to right atomic size decreases.]
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

The correct order of ionic radii.

The correct order of ionic radii is

The set representing the correct order of ionic radii is

Knowledge Check

  • The correct order of ionic radius of Yb ^(3+), La ^(3+) , Eu ^(3+), Lu ^(3+) is

    A
    `Yb lt Lu lt Eu lt La`
    B
    `La lt Eu lt Lu lt Yb `
    C
    `Lu lt Eu lt La lt Yb `
    D
    `Yb lt La lt Eu lt Lu `

  • The set representing the correct order of ionic radii is

    A
    `Na^(+) gt Li^+ gt Mg^(2+) gt Be^(2+)`
    B
    `Li^(+) gt Na^(+) gt Mg^(2+) gt Be^(2+)`
    C
    `Mg^(2+) gt Be^(2+) gt Li^(+) gt Na^(+)`
    D
    `Li^(+) gt Be^(2+) gt Na^(+) gt Mg^(2+)`

  • The set representing the correct order of ionic radii is

    A
    `Li^(+) gt Be^(2+) gt Na^(+) gt Mg^(2+)`
    B
    `Li^(+) gt Na^(+) gt Mg^(2+) gt Be^(2+) `
    C
    `Mg^(2+) gt Be^(2+) gt Li^(+) gt Na^+`
    D
    `Na^(+) gt Li^(+) gt Mg^(2+) gt Be^(2+)`
    • BANSAL-PERIODIC TABLE-EXERCISE-1
    1. The correct order of ionic radius is-

      Text Solution

      |

    2. The Z(eff) for 3d electron of Cr 4s electron of Cr 3d electron o...

      Text Solution

      |

    3. According to the Periodic Law of elements, the Variation in properties...

      Text Solution

      |

    4. Atomic radius decreases in a period, but affter halogens, the atomic r...

      Text Solution

      |

    5. Which one of the following groups represent a collection of isolectron...

      Text Solution

      |

    6. Consider the following statements: I. The radius of an anion is larg...

      Text Solution

      |

    7. The atomic numbers of vandium (V). Chromium (Cr), manganese (Mn) and i...

      Text Solution

      |

    8. Element P,Q, R and S belong to the same group. The oxide of P is acid...

      Text Solution

      |

    9. Among AI(2)O(3),SiO(2),P(2)O(3) and SO(2) the correct order of acidic ...

      Text Solution

      |

    10. The formation of the oxide ion O((g))^(2-) requires first an exothermi...

      Text Solution

      |

    11. The first ionization potentials of four consecutive elements present i...

      Text Solution

      |

    12. In which of the following arrangements the order is NOT according to t...

      Text Solution

      |

    13. Which of the following order is wrong-

      Text Solution

      |

    14. Which of the following factors may be regarded as the main cause the l...

      Text Solution

      |

    15. The size of the species, Pb,Pb^(2+), Pb^(4+) decreases as -

      Text Solution

      |

    16. A Ketelaar triangle showing a plot of average electrongativity (chi(me...

      Text Solution

      |

    17. Match list-I with list-II and select the correct answer using the code...

      Text Solution

      |

    18. The actinoids exhibit more number of oxidation states in general than ...

      Text Solution

      |

    19. For the process X(g) +e^(-) rarr X^(-)(g), DeltaH = x and X^(-)(g)...

      Text Solution

      |

    20. Sodium forms Na^(+) ion but it does not form Na^(+2) because -

      Text Solution

      |