MCQ
The $IUPAC$ nomenclature for the complex $Na[PtBrCl(NO_2)(NH_3)]$ is
  • A
    Sodium amminechlorobromonitro $-N-$ platinum $(II)$
  • Sod ium nitrochlorobromoammine $-N-$ platinate $(II)$
  • C
    Sodium amminebromochloronitro $-N-$ platinate $(II)$
  • D
    Sodium amminebromochloronitro $-N-$ platinum $(II)$

Answer

Correct option: B.
Sod ium nitrochlorobromoammine $-N-$ platinate $(II)$
b
$\mathrm{Fe}(\mathrm{CO})_{5}$

$\mathrm{EAN}=\mathrm{Z}-\mathrm{O} \cdot \mathrm{N} \cdot+2(\mathrm{C} \cdot \mathrm{N} \cdot)$

$=26-0+2(5)$

$=26+10$

$=36$

only one central metal atom/lon is present and it follows $EAN$ rule, so it is mononuclear

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