Which of the following statements is correct?

Options

A. Iron belongs to third transition series of the periodic table
B. Iron belongs to `f-`block of the periodic table
C. Iron belongs to first transition series
D. Iron belongs to group `VIII` of the periodic table

Explanation

The correct statement is that iron belongs to first transition series of elements. It is called `3d` series. The members of this series are
`Se" "Ti" "V" "Cr" "Mn" "Fe" "Co" "Ni" "Cu" "Zn`
The electronic confine of `Fe^(26)` is `3d^(6).4s^(2)`