Use the `EAN` rule to predict the molecular formula for the simple carbonyls of (a) `Cr(Z = 24)`
Channel: Doubtnut
Date: 2020-07-26

Use the `EAN` rule to predict the molecular formula for the simple carbonyls of (a) `Cr(Z = 24)`  (b) `Fe (Z =26)` and (c ) `Ni (Z =28)` (Assume that the oxidation state of the metals in the these carbonyls is zero) .