Home JEE Main - Previous Year Papers JEE MAIN 2019 PAPER 10 The effect of lanthanoid contraction in the …
JEE Main - Previous Year Papers JEE MAIN 2019 PAPER 10 Single Correct MCQ
Published on: August 11, 2026

The effect of lanthanoid contraction in the lanthanoid series of elements by the large means

A
increase in both atomic and ionic radii
B
decrease in atomic radii and increase in ionic radii
C
decrease in both atomic and ionic radii
D
increase in atomic radii and decrease in ionic radii

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The correct answer is:
C

Atomic & ionic radii decreases

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