JEE CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

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Order of atomic radii of

\mathrm{Ti},\,\mathrm{Zr}

and

\mathrm{Hf}

is:

View answer and explanation

Correct option: C

\mathrm{Ti} < \mathrm{Zr}=\mathrm{Hf}

Option C (Ti < Zr=Hf) is correct because atomic radii increase down the group, but Zr and Hf have similar radii due to lanthanide contraction.

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