JEE Main 2019 Chemistry question
The pair that has similar atomic radii is:
Answer: (A)
Solution
Lanthanoid contraction makes the 4d and 5d elements of the same group (Mo and W) nearly equal in size.
The pair that has similar atomic radii is:
Lanthanoid contraction makes the 4d and 5d elements of the same group (Mo and W) nearly equal in size.