Answer:
Correct option is
C
36, 36
EAN=Z−X+Y
EAN=effective atomic number
Z=atomic number
X=number of electrons lost by metal
Y=Number of electrons donated by ligands.
For [Fe(CO)
2
(NO
+
)
], EAN=26+2+8=36
For Co
(CO)
8
, EAN=27+0+9=36
