Write the formulas for the following coordination compounds:

Question:

Write the formulas for the following coordination compounds:

(i) Tetraamminediaquacobalt(III) chloride

(ii) Potassium tetracyanonickelate(II)

(iii) Tris(ethane−1,2−diamine) chromium(III) chloride

(iv) Amminebromidochloridonitrito-N-platinate(II)

(v) Dichloridobis(ethane−1,2−diamine)platinum(IV) nitrate

(vi) Iron(III) hexacyanoferrate(II)

Solution:

(i) $\left[\mathrm{CO}\left(\mathrm{H}_{2} \mathrm{O}\right)_{2}\left(\mathrm{NH}_{3}\right)_{4}\right] \mathrm{Cl}_{3}$

(ii) $\mathrm{K}_{2}\left[\mathrm{Ni}(\mathrm{CN})_{4}\right]$

(iii) $\left[\mathrm{Cr}(\mathrm{en})_{3}\right] \mathrm{Cl}_{3}$

(vi) $\left[\mathrm{Pt}(\mathrm{NH})_{3} \mathrm{BrCl}\left(\mathrm{NO}_{2}\right)\right]^{-}$

(v) $\left[\mathrm{PtCl}_{2}(\mathrm{en})_{2}\right]\left(\mathrm{NO}_{3}\right)_{2}$

(vi) $\mathrm{Fe}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]_{3}$

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