Chemistry · 2019
JEE Main · 10 January 2019, Shift 1 · Q47
The effect of lanthanoid contraction in the lanthanoid series of elements by and large means:
The effect of lanthanoid contraction in the lanthanoid series of elements by and large means :
Official answer
(1)
decrease in both atomic and ionic radii
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JEE Main 2019 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.