Choose the correct option regarding the following complex compound which follwos (F) and does not follow (NF) the Sidgwick EAN rule:
(I) `[(Ph_(3)P)_(2)PdCl_(2)]`
(II) `[NiBrCl(en)]`
(III) `Na_(4)[Fe(CN)_(5)NOS]`
(IV) `Cr(CO)_(3)(NO)_(2)`

Options

A. `{:("(P)", "(Q)", "(R)", "(S)"),("NF","NF","NF","NF"):}`
B. `{:("(P)", "(Q)", "(R)", "(S)"),("F","F","NF","F"):}`
C. `{:("(P)", "(Q)", "(R)", "(S)"),("NF","NF","F","F"):}`
D. `{:("(P)", "(Q)", "(R)", "(S)"),("NF","NF","F","NF"):}`

Answer

C