The pair that has similar atomic radii is

Question:

The pair that has similar atomic radii is

  1. $\mathrm{Sc}$ and $\mathrm{Ni}$

  2. $\mathrm{Ti}$ and $\mathrm{HF}$

  3. Mo and W

  4. Mn and Re


Correct Option: , 3

Solution:

Mo and W has nearly similar atomic radius due to lanthanoid contraction.

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