09. COORDINATION COMPOUNDS
COORDINATION COMPOUNDS

28769 Which of the following complexes has the highest stability constant at \(298 \,K\)

1 \({\left[ {CdC{l_4}} \right]^{2 - }}\)
2 \({\left[ {CdB{r_4}} \right]^{2 - }}\)
3 \({\left[ {Cd{I_4}} \right]^{2 - }}\)
4 \({\left[ {Cd{{\left( {CN} \right)}_4}} \right]^{2 - }}\)
COORDINATION COMPOUNDS

28770 The most stable ion is

1 \({[Fe{(OH)_3}]^{3 - }}\)
2 \({[Fe{(Cl)_6}]^{3 - }}\)
3 \({[Fe{({H_2}O)_6}]^{3 + }}\)
4 \({[Fe{(CN)_6}]^{3 - }}\)
COORDINATION COMPOUNDS

28771 The most stable complex among the following is

1 \({K_3}[Al{({C_2}{O_4})_3}]\)
2 \([Pt{(en)_2}]C{l_2}\)
3 \(Ag{(N{H_3})_2}Cl\)
4 \({K_2}(Ni(EDTA)]\)
COORDINATION COMPOUNDS

28772 Which of the following factors tends to increase the stability of metal ion complexes

1 Higher ionic radius of the metal ion
2 Higher charge/size ratio of the metal ion
3 Lower ionisation potential of the metal ion
4 Lower basicity of the ligand
COORDINATION COMPOUNDS

28769 Which of the following complexes has the highest stability constant at \(298 \,K\)

1 \({\left[ {CdC{l_4}} \right]^{2 - }}\)
2 \({\left[ {CdB{r_4}} \right]^{2 - }}\)
3 \({\left[ {Cd{I_4}} \right]^{2 - }}\)
4 \({\left[ {Cd{{\left( {CN} \right)}_4}} \right]^{2 - }}\)
COORDINATION COMPOUNDS

28770 The most stable ion is

1 \({[Fe{(OH)_3}]^{3 - }}\)
2 \({[Fe{(Cl)_6}]^{3 - }}\)
3 \({[Fe{({H_2}O)_6}]^{3 + }}\)
4 \({[Fe{(CN)_6}]^{3 - }}\)
COORDINATION COMPOUNDS

28771 The most stable complex among the following is

1 \({K_3}[Al{({C_2}{O_4})_3}]\)
2 \([Pt{(en)_2}]C{l_2}\)
3 \(Ag{(N{H_3})_2}Cl\)
4 \({K_2}(Ni(EDTA)]\)
COORDINATION COMPOUNDS

28772 Which of the following factors tends to increase the stability of metal ion complexes

1 Higher ionic radius of the metal ion
2 Higher charge/size ratio of the metal ion
3 Lower ionisation potential of the metal ion
4 Lower basicity of the ligand
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COORDINATION COMPOUNDS

28769 Which of the following complexes has the highest stability constant at \(298 \,K\)

1 \({\left[ {CdC{l_4}} \right]^{2 - }}\)
2 \({\left[ {CdB{r_4}} \right]^{2 - }}\)
3 \({\left[ {Cd{I_4}} \right]^{2 - }}\)
4 \({\left[ {Cd{{\left( {CN} \right)}_4}} \right]^{2 - }}\)
COORDINATION COMPOUNDS

28770 The most stable ion is

1 \({[Fe{(OH)_3}]^{3 - }}\)
2 \({[Fe{(Cl)_6}]^{3 - }}\)
3 \({[Fe{({H_2}O)_6}]^{3 + }}\)
4 \({[Fe{(CN)_6}]^{3 - }}\)
COORDINATION COMPOUNDS

28771 The most stable complex among the following is

1 \({K_3}[Al{({C_2}{O_4})_3}]\)
2 \([Pt{(en)_2}]C{l_2}\)
3 \(Ag{(N{H_3})_2}Cl\)
4 \({K_2}(Ni(EDTA)]\)
COORDINATION COMPOUNDS

28772 Which of the following factors tends to increase the stability of metal ion complexes

1 Higher ionic radius of the metal ion
2 Higher charge/size ratio of the metal ion
3 Lower ionisation potential of the metal ion
4 Lower basicity of the ligand
COORDINATION COMPOUNDS

28769 Which of the following complexes has the highest stability constant at \(298 \,K\)

1 \({\left[ {CdC{l_4}} \right]^{2 - }}\)
2 \({\left[ {CdB{r_4}} \right]^{2 - }}\)
3 \({\left[ {Cd{I_4}} \right]^{2 - }}\)
4 \({\left[ {Cd{{\left( {CN} \right)}_4}} \right]^{2 - }}\)
COORDINATION COMPOUNDS

28770 The most stable ion is

1 \({[Fe{(OH)_3}]^{3 - }}\)
2 \({[Fe{(Cl)_6}]^{3 - }}\)
3 \({[Fe{({H_2}O)_6}]^{3 + }}\)
4 \({[Fe{(CN)_6}]^{3 - }}\)
COORDINATION COMPOUNDS

28771 The most stable complex among the following is

1 \({K_3}[Al{({C_2}{O_4})_3}]\)
2 \([Pt{(en)_2}]C{l_2}\)
3 \(Ag{(N{H_3})_2}Cl\)
4 \({K_2}(Ni(EDTA)]\)
COORDINATION COMPOUNDS

28772 Which of the following factors tends to increase the stability of metal ion complexes

1 Higher ionic radius of the metal ion
2 Higher charge/size ratio of the metal ion
3 Lower ionisation potential of the metal ion
4 Lower basicity of the ligand