ChemistryThe radius of La3+ (at. no. 57) is 1.06Ao What may be the radius of Lu3+ at.  no.71 ?

The radius of La3+ (at. no. 57) is 1.06Ao What may be the radius of Lu3+at.  no.71?

  1. A

    1.06Ao

  2. B

    0.85Ao

  3. C

    1.60Ao

  4. D

    1.40Ao

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    Solution:

    Due to lanthanoid contraction the decrease in the ionic radii among the lanthanides  is very small.

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