Q. What is the oxidation number of $F e$ in $F e (CO)_{5}$ ?

2000 292 Coordination Compounds Report Error

A

+3

16%

B

Zero

33%

C

+2

20%

D

+5

31%

Solution:

Let the oxidation state of Fe in Fe $(CO)_{5}$ , be $x$

$F e (CO)_{5}$

$x + 0 \times 5 = 0$

$x = 0$