28637 The oxidation state of cobalt in the complex compound [Co(NH3)6]Cl3 is
(a) [Co(NH3)6]Cl3→[Co(NH3)6]3++3Cl−x+6(0)=+3⇒x=+3.
28638 The correct IUPAC name of potassium cuprochloride is
(b) Follow IUPAC rule.
28639 The effective atomic number of cobalt in the complex [Co(NH3)6]3+ is
(a) EAN = at. no. of central atom − oxidation state +2×(no. of ligands) =27−3+2×6=36.
28640 IUPAC name of K3Fe(CN)6 is
(d) Follow IUPAC rules for nomenclature.