Chemistry - f-block Question with Solution | TestHub
Chemistryf-blockf-blockMedium2 minQB
ChemistryMediumsingle choice
Atomic radii of Zr (160 pm) and Hf (159 pm) is a consequence of -
Options:
Answer:
C
Solution:
The similar atomic radii of Zr (160 pm) and Hf (159 pm) is a direct consequence of the lanthanoid contraction. This effect causes a significant decrease in atomic radii across the lanthanoid series, which precedes Hf in the periodic table, making Hf unexpectedly similar in size to Zr.
Stream:JEESubject:ChemistryTopic:f-blockSubtopic:f-block
⏱ 2mℹ️ Source: QB
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