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The radius of La^(+) (at no 57) is 1.06Å...

The radius of `La^(+)` (at no 57) is `1.06Å`. What may be the radius of `Lu^(3+)`(at no.71)?

A

`1.6 Å`

B

`0.85 Å`

C

`1.06 Å`

D

`1.4 Å`

Text Solution

Verified by Experts

The correct Answer is:
B
Due to lanthanoid cantraction.
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A2Z-THE D AND F BLOCK ELEMENTS-Lanthanides And Actinides
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  2. Across the lanthanide series, the basicity of the lanthanoid hydroxide...

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  3. The radius of La^(+) (at no 57) is 1.06Å. What may be the radius of Lu...

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  4. Misch metal is

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  5. + 4 ion of which has half-filled 4f subshell?

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  6. The main reason for larger number of oxidation state exhibited by the ...

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  7. An alloy of lanthanides

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  8. The lanthanide contraction is responsible for the fact that

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  9. Across the lanthanide series, the basicity of the lanthanoid hydroxide...

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  10. Lanthanides and actinides resemble in

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  11. Lanthanides contraction cause.

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  12. The speration of lanthanides by ion exchanges method is based on

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  13. The radiocative lanthanide is

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  14. Complete the following reaction

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  15. The pair of lanthanides with the highest third ionization energy is

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  16. All actinods have high desities except

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  17. Which one of the following is an electronic configuration of thorium?

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  18. Consider the following statement, (I) The size of the lanthanide M^(...

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  19. The actinoids exhibit, more member of oxidation states in general than...

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  20. Which of the following factor may be regarded as the main cause of lan...

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