Unit 8 The D And F Block Elements (Intext Questions-3)
Intext Question
8.3 Which of the $3 d$ series of the transition metals exhibits the largest number of oxidation states and why?
Show Answer
Answer
Manganese $ (Z=25) $ shows maximum number of oxidation states because of its electronic configuration $ 3d^54s^{2} $ . Mn has the maximum number of unpaired electrons present in the $d$-subshell (5 electrons). Hence, Mn exhibits the largest number of oxidation states, ranging from +2 to +7 .
BETA
