Fundamentholfundamenthol
JEE Main2019Chemistry
Q.

The pair that has similar atomic radii is : 

  1. A

    Mo and W 

  2. B

    Ti and Hf 

  3. C

    Sc and Ni 

  4. D

    Mn and Re 

Solution

Mo and W belong to group-6 and period 5 (4d series) and 6 (5d series) respectively.

Due to lanthanoid contraction, radius of Mo and W are almost same.

← Back to full paper

Practice more Chemistry

Concept-wise practice with instant solutions on Fundamenthol.

Start practicing →