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The ionic radius of `._(57)La^(3+)` is 1.06Å. Which one of the following given values will be closest to the ionic radius of `._21Lu^(3+)`?A. 1.06ÅB. 1.56ÅC. 0.85ÅD. 1.35Å |
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Answer» Correct Answer - D Ionic radius of `Lu^(3+)` is smaller than that of `La^(3+)`because of lanthanide contraction across the period. |
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