Which of the following name formula combinations is not correct?

${\left[\mathrm{Mn}(\mathrm{CN}{)}_5\right]}^{2-}$    Pentacyanomagnate(II) ion

${\mathrm{K}}_2\left[\mathrm{Pt}(\mathrm{CN}{)}_4\right]$    Potassium tetracyanoplatinate(II)

$\left[\mathrm{Co}{\left({\mathrm{NH}}_3\right)}_4\left({\mathrm{H}}_2\mathrm{O}\right)\mathrm{I}\right]{\mathrm{SO}}_4$   Tetraammine aquaiodocobalt(III) sulphate

$\mathrm{K}\left[\mathrm{Cr}{\left({\mathrm{NH}}_3\right)}_2{\mathrm{Cl}}_4\right]$  Potassium diamminetetrachlorochromate(III)