Q. Consider the following statements.
I. In -block, the lower oxidation states are favoured by the heavier elements.
II. In -block,
Identify the incorrect statement(s).
Choose the appropriate option.

 696  173 The d-and f-Block Elements Report Error

Solution:

Although in the -block, the lower oxidation states are favoured by the heavier members (due to inert pair effect), the opposite is true with the elements of -block.