Unit 9 Coordination Compounds (Intext Questions-1)
Intext Questions
9.1 Write the formulas for the following coordination compounds:
(i) Tetraamminediaquacobalt(III) chloride
(ii) Potassium tetracyanidonickelate(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) hexacyanidoferrate(II)
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Answer
(i) $[\mathrm{Co}\mathrm{(H_2O)_2}\mathrm{(NH_3)_4}]\mathrm{Cl_3}$
(ii) $\mathrm{K_2}\left[\mathrm{Ni}(\mathrm{CN})_{4}\right]$
(iii) $\left[\mathrm{Cr}(\text {en})_{3}\right] \mathrm{Cl_3}$
(vi) $\left[\mathrm{Pt}(\mathrm{NH})_{3} \mathrm{BrCl}\left(\mathrm{NO_2}\right)\right]^-$
(v) $[\mathrm{PtCl_2}\text {(en)}_2]\mathrm{(NO_3)_2}$
(vi) $\mathrm{Fe_4}[\mathrm{Fe(CN)_6}]_3$
9.2 Write the IUPAC names of the following coordination compounds:
(i) $\left[\mathrm{Co}\left(\mathrm{NH_3}\right)_{6}\right] \mathrm{Cl_3}$
(ii) $\left[\mathrm{Co}\left(\mathrm{NH_3}\right)_{5} \mathrm{Cl}\right] \mathrm{Cl_2}$
(iii) $\mathrm{K_3}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]$
(iv) $\mathrm{K_3}\left[\mathrm{Fe}\left(\mathrm{C_2} \mathrm{O_4}\right)_{3}\right]$
(v) $\mathrm{K_2}\left[\mathrm{PdCl_4}\right]$
(vi) $\left[\mathrm{Pt}\left(\mathrm{NH_3}\right)_{2} \mathrm{Cl}\left(\mathrm{NH_2} \mathrm{CH_3}\right)\right] \mathrm{Cl}$
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Answer
(i) Hexaamminecobalt(III) chloride
(ii) Pentaamminechloridocobalt(III) chloride
(iii) Potassium hexacyanoferrate(III)
(iv) Potassium trioxalatoferrate(III)
(v) Potassium tetrachloridopalladate(II)
(vi) Diamminechlorido(methylamine)platinum(II) chloride
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Answer
(i) Hexaamminecobalt(III) chloride
(ii) Pentaamminechloridocobalt(III) chloride
(iii) Potassium hexacyanoferrate(III)
(iv) Potassium trioxalatoferrate(III)
(v) Potassium tetrachloridopalladate(II)
(vi) Diamminechlorido(methylamine)platinum(II) chloride
Intext Questions
9.1 Write the formulas for the following coordination compounds:
(i) Tetraamminediaquacobalt(III) chloride
(ii) Potassium tetracyanidonickelate(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) hexacyanidoferrate(II)
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Answer
(i) $[\mathrm{Co}\mathrm{(H_2O)_2}\mathrm{(NH_3)_4}]\mathrm{Cl_3}$
(ii) $\mathrm{K_2}\left[\mathrm{Ni}(\mathrm{CN})_{4}\right]$
(iii) $\left[\mathrm{Cr}(\text {en})_{3}\right] \mathrm{Cl_3}$
(vi) $\left[\mathrm{Pt}(\mathrm{NH})_{3} \mathrm{BrCl}\left(\mathrm{NO_2}\right)\right]^-$
(v) $[\mathrm{PtCl_2}\text {(en)}_2]\mathrm{(NO_3)_2}$
(vi) $\mathrm{Fe_4}[\mathrm{Fe(CN)_6}]_3$
9.2 Write the IUPAC names of the following coordination compounds:
(i) $\left[\mathrm{Co}\left(\mathrm{NH_3}\right)_{6}\right] \mathrm{Cl_3}$
(ii) $\left[\mathrm{Co}\left(\mathrm{NH_3}\right)_{5} \mathrm{Cl}\right] \mathrm{Cl_2}$
(iii) $\mathrm{K_3}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]$
(iv) $\mathrm{K_3}\left[\mathrm{Fe}\left(\mathrm{C_2} \mathrm{O_4}\right)_{3}\right]$
(v) $\mathrm{K_2}\left[\mathrm{PdCl_4}\right]$
(vi) $\left[\mathrm{Pt}\left(\mathrm{NH_3}\right)_{2} \mathrm{Cl}\left(\mathrm{NH_2} \mathrm{CH_3}\right)\right] \mathrm{Cl}$
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Answer
(i) Hexaamminecobalt(III) chloride
(ii) Pentaamminechloridocobalt(III) chloride
(iii) Potassium hexacyanoferrate(III)
(iv) Potassium trioxalatoferrate(III)
(v) Potassium tetrachloridopalladate(II)
(vi) Diamminechlorido(methylamine)platinum(II) chloride
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Answer
(i) Hexaamminecobalt(III) chloride
(ii) Pentaamminechloridocobalt(III) chloride
(iii) Potassium hexacyanoferrate(III)
(iv) Potassium trioxalatoferrate(III)
(v) Potassium tetrachloridopalladate(II)
(vi) Diamminechlorido(methylamine)platinum(II) chloride
Intext Questions
9.1 Write the formulas for the following coordination compounds:
(i) Tetraamminediaquacobalt(III) chloride
(ii) Potassium tetracyanidonickelate(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) hexacyanidoferrate(II)
Show Answer
Answer
(i) $[\mathrm{Co}\mathrm{(H_2O)_2}\mathrm{(NH_3)_4}]\mathrm{Cl_3}$
(ii) $\mathrm{K_2}\left[\mathrm{Ni}(\mathrm{CN})_{4}\right]$
(iii) $\left[\mathrm{Cr}(\text {en})_{3}\right] \mathrm{Cl_3}$
(vi) $\left[\mathrm{Pt}(\mathrm{NH})_{3} \mathrm{BrCl}\left(\mathrm{NO_2}\right)\right]^-$
(v) $[\mathrm{PtCl_2}\text {(en)}_2]\mathrm{(NO_3)_2}$
(vi) $\mathrm{Fe_4}[\mathrm{Fe(CN)_6}]_3$
9.2 Write the IUPAC names of the following coordination compounds:
(i) $\left[\mathrm{Co}\left(\mathrm{NH_3}\right)_{6}\right] \mathrm{Cl_3}$
(ii) $\left[\mathrm{Co}\left(\mathrm{NH_3}\right)_{5} \mathrm{Cl}\right] \mathrm{Cl_2}$
(iii) $\mathrm{K_3}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]$
(iv) $\mathrm{K_3}\left[\mathrm{Fe}\left(\mathrm{C_2} \mathrm{O_4}\right)_{3}\right]$
(v) $\mathrm{K_2}\left[\mathrm{PdCl_4}\right]$
(vi) $\left[\mathrm{Pt}\left(\mathrm{NH_3}\right)_{2} \mathrm{Cl}\left(\mathrm{NH_2} \mathrm{CH_3}\right)\right] \mathrm{Cl}$
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Answer
(i) Hexaamminecobalt(III) chloride
(ii) Pentaamminechloridocobalt(III) chloride
(iii) Potassium hexacyanoferrate(III)
(iv) Potassium trioxalatoferrate(III)
(v) Potassium tetrachloridopalladate(II)
(vi) Diamminechlorido(methylamine)platinum(II) chloride
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