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D and F Block Elements question

2019 · 10 Jan · Shift 1 · Q16
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D and F Block Elements question

2019 · 10 Jan · Shift 1 · Q16

JEE MainChemistryD and F Block ElementsMCQ+4 / −1
The effect of lanthanoid contraction in the lanthanoid series of elements by and large means :
  1. A
    increase in atomic radii and decrease in ionic radii
  2. B
    increase in both atomic and ionic radii
  3. C
    decrease in both atomic and ionic radii
  4. D
    decrease in atomic radii and increase in ionic radii
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