Which of the following does/do not follow the IUPAC naming convention and/or spelled wrongly?
(A) Bis(ethylenediamine)sulfatoiron(II)
(B) Sodium hexanitritocobaltate(III)
(C) Pentaammineazidocobalt(III) sulfate
(D) A, B and C do not have any problems in their naming
(E) A and C have problems in their naming