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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

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The correct Answer is:
A
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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+)`
    • MOTION-PERIODIC TABLE -Exercise - 4 | Level-I
    1. The correct order of ionic radius is-

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    2. Arrange Ce^(3+),La^(3+), Pm^(3) and Yb^(3+) in increasing order of the...

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

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    4. A reduction in atomic size the increases in atomic number is a charact...

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    5. Which one of the following groupings represents a collection of isoele...

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

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    7. Which one of the following sets of ions represents the collection of i...

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    8. Which one of the following ions has the highest value of ionic radius?

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    9. Among Al(2)O(3),SiO(2),P(2)O(5) and SO(3) the correct order of acid st...

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

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

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    12. Which of the following oxides is amphoteric in character ?

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    13. Pick out the isoelectronic structures from the following (i) CH(3)^(...

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    14. The lanthanide contraction is responsible for the fact that

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

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    16. The increasing order of the first ionization enthalpies of the element...

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    17. Which one of the following sets of ions represents a collection of iso...

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    18. Lanthanide contraction is caused due to -

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    19. Which one of the following constitutes a group of the isoelectronic sp...

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    20. In which of the following arrangements, the sequence is not strictly a...

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