Stability of Coordination Compounds
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CHXII09:COORDINATION COMPOUNDS

322112 The metal iron complex \({\text{A}}\) has EAN identical to the atomic number of krypton. \({\text{A}}\) is
(At.no.of \(\mathrm{Cr}=24, \mathrm{Fe}=26, \mathrm{Pd}=46\) )

1 \(\left[\mathrm{Pd}\left(\mathrm{NH}_{3}\right)_{6}\right] \mathrm{Cl}_{4}\)
2 \(\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right] \mathrm{SO}_{4}\)
3 \(\mathrm{Na}{ }_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]\)
4 \(\mathrm{K}_{3}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]\)
CHXII09:COORDINATION COMPOUNDS

322113 Stability constant is more for the complex:

1 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}\)
2 \(\left[\mathrm{Ag}\left(\mathrm{NH}_{3}\right)_{2}\right]^{+}\)
3 \(\left[\mathrm{Cu}\left(\mathrm{NH}_{3}\right)_{4}\right]^{2+}\)
4 \(\left[\mathrm{Ag}(\mathrm{CN})_{2}\right]^{-1}\)
CHXII09:COORDINATION COMPOUNDS

322114 The complex with highest stability constant at \(298 \mathrm{~K}\) is :

1 \(\left[\mathrm{CdCl}_{4}\right]^{2-}\)
2 \(\left[\mathrm{CdBr}_{4}\right]^{2-}\)
3 \(\left[\mathrm{CdI}_{4}\right]^{2-}\)
4 \(\left[\mathrm{Cd}(\mathrm{CN})_{4}\right]^{2-}\)
CHXII09:COORDINATION COMPOUNDS

322115 Instability constant \({\text{K}}\) values for \(\left[\mathrm{Ag}\left(\mathrm{NO}_{2}\right)_{2}\right]^{-}\)and \(\left[\mathrm{Ag}(\mathrm{CN})_{2}\right]^{-}\)are \(1.3 \times 10^{-3}\) and \(8 \times 10^{-21}\) respectively. If \({{\text{C}}_{\text{1}}}\,\,{\text{and}}\,\,{{\text{C}}_{\text{2}}}\) are the concentrations of \(\mathrm{Ag}^{+}\) ion in equimolar solutions of these two complexes respectively, then

1 \({{\text{C}}_{\text{1}}}{\text{ > }}{{\text{C}}_{\text{2}}}\)
2 \({{\text{C}}_{\text{1}}}{\text{ = }}{{\text{C}}_{\text{2}}}\)
3 \({{\text{C}}_{\text{1}}}{\text{ < }}{{\text{C}}_{\text{2}}}\)
4 \({{\text{C}}_{\text{1}}}{\text{ = 2}}{{\text{C}}_{\text{2}}}\)
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CHXII09:COORDINATION COMPOUNDS

322112 The metal iron complex \({\text{A}}\) has EAN identical to the atomic number of krypton. \({\text{A}}\) is
(At.no.of \(\mathrm{Cr}=24, \mathrm{Fe}=26, \mathrm{Pd}=46\) )

1 \(\left[\mathrm{Pd}\left(\mathrm{NH}_{3}\right)_{6}\right] \mathrm{Cl}_{4}\)
2 \(\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right] \mathrm{SO}_{4}\)
3 \(\mathrm{Na}{ }_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]\)
4 \(\mathrm{K}_{3}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]\)
CHXII09:COORDINATION COMPOUNDS

322113 Stability constant is more for the complex:

1 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}\)
2 \(\left[\mathrm{Ag}\left(\mathrm{NH}_{3}\right)_{2}\right]^{+}\)
3 \(\left[\mathrm{Cu}\left(\mathrm{NH}_{3}\right)_{4}\right]^{2+}\)
4 \(\left[\mathrm{Ag}(\mathrm{CN})_{2}\right]^{-1}\)
CHXII09:COORDINATION COMPOUNDS

322114 The complex with highest stability constant at \(298 \mathrm{~K}\) is :

1 \(\left[\mathrm{CdCl}_{4}\right]^{2-}\)
2 \(\left[\mathrm{CdBr}_{4}\right]^{2-}\)
3 \(\left[\mathrm{CdI}_{4}\right]^{2-}\)
4 \(\left[\mathrm{Cd}(\mathrm{CN})_{4}\right]^{2-}\)
CHXII09:COORDINATION COMPOUNDS

322115 Instability constant \({\text{K}}\) values for \(\left[\mathrm{Ag}\left(\mathrm{NO}_{2}\right)_{2}\right]^{-}\)and \(\left[\mathrm{Ag}(\mathrm{CN})_{2}\right]^{-}\)are \(1.3 \times 10^{-3}\) and \(8 \times 10^{-21}\) respectively. If \({{\text{C}}_{\text{1}}}\,\,{\text{and}}\,\,{{\text{C}}_{\text{2}}}\) are the concentrations of \(\mathrm{Ag}^{+}\) ion in equimolar solutions of these two complexes respectively, then

1 \({{\text{C}}_{\text{1}}}{\text{ > }}{{\text{C}}_{\text{2}}}\)
2 \({{\text{C}}_{\text{1}}}{\text{ = }}{{\text{C}}_{\text{2}}}\)
3 \({{\text{C}}_{\text{1}}}{\text{ < }}{{\text{C}}_{\text{2}}}\)
4 \({{\text{C}}_{\text{1}}}{\text{ = 2}}{{\text{C}}_{\text{2}}}\)
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CHXII09:COORDINATION COMPOUNDS

322112 The metal iron complex \({\text{A}}\) has EAN identical to the atomic number of krypton. \({\text{A}}\) is
(At.no.of \(\mathrm{Cr}=24, \mathrm{Fe}=26, \mathrm{Pd}=46\) )

1 \(\left[\mathrm{Pd}\left(\mathrm{NH}_{3}\right)_{6}\right] \mathrm{Cl}_{4}\)
2 \(\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right] \mathrm{SO}_{4}\)
3 \(\mathrm{Na}{ }_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]\)
4 \(\mathrm{K}_{3}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]\)
CHXII09:COORDINATION COMPOUNDS

322113 Stability constant is more for the complex:

1 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}\)
2 \(\left[\mathrm{Ag}\left(\mathrm{NH}_{3}\right)_{2}\right]^{+}\)
3 \(\left[\mathrm{Cu}\left(\mathrm{NH}_{3}\right)_{4}\right]^{2+}\)
4 \(\left[\mathrm{Ag}(\mathrm{CN})_{2}\right]^{-1}\)
CHXII09:COORDINATION COMPOUNDS

322114 The complex with highest stability constant at \(298 \mathrm{~K}\) is :

1 \(\left[\mathrm{CdCl}_{4}\right]^{2-}\)
2 \(\left[\mathrm{CdBr}_{4}\right]^{2-}\)
3 \(\left[\mathrm{CdI}_{4}\right]^{2-}\)
4 \(\left[\mathrm{Cd}(\mathrm{CN})_{4}\right]^{2-}\)
CHXII09:COORDINATION COMPOUNDS

322115 Instability constant \({\text{K}}\) values for \(\left[\mathrm{Ag}\left(\mathrm{NO}_{2}\right)_{2}\right]^{-}\)and \(\left[\mathrm{Ag}(\mathrm{CN})_{2}\right]^{-}\)are \(1.3 \times 10^{-3}\) and \(8 \times 10^{-21}\) respectively. If \({{\text{C}}_{\text{1}}}\,\,{\text{and}}\,\,{{\text{C}}_{\text{2}}}\) are the concentrations of \(\mathrm{Ag}^{+}\) ion in equimolar solutions of these two complexes respectively, then

1 \({{\text{C}}_{\text{1}}}{\text{ > }}{{\text{C}}_{\text{2}}}\)
2 \({{\text{C}}_{\text{1}}}{\text{ = }}{{\text{C}}_{\text{2}}}\)
3 \({{\text{C}}_{\text{1}}}{\text{ < }}{{\text{C}}_{\text{2}}}\)
4 \({{\text{C}}_{\text{1}}}{\text{ = 2}}{{\text{C}}_{\text{2}}}\)
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CHXII09:COORDINATION COMPOUNDS

322112 The metal iron complex \({\text{A}}\) has EAN identical to the atomic number of krypton. \({\text{A}}\) is
(At.no.of \(\mathrm{Cr}=24, \mathrm{Fe}=26, \mathrm{Pd}=46\) )

1 \(\left[\mathrm{Pd}\left(\mathrm{NH}_{3}\right)_{6}\right] \mathrm{Cl}_{4}\)
2 \(\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right] \mathrm{SO}_{4}\)
3 \(\mathrm{Na}{ }_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]\)
4 \(\mathrm{K}_{3}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]\)
CHXII09:COORDINATION COMPOUNDS

322113 Stability constant is more for the complex:

1 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}\)
2 \(\left[\mathrm{Ag}\left(\mathrm{NH}_{3}\right)_{2}\right]^{+}\)
3 \(\left[\mathrm{Cu}\left(\mathrm{NH}_{3}\right)_{4}\right]^{2+}\)
4 \(\left[\mathrm{Ag}(\mathrm{CN})_{2}\right]^{-1}\)
CHXII09:COORDINATION COMPOUNDS

322114 The complex with highest stability constant at \(298 \mathrm{~K}\) is :

1 \(\left[\mathrm{CdCl}_{4}\right]^{2-}\)
2 \(\left[\mathrm{CdBr}_{4}\right]^{2-}\)
3 \(\left[\mathrm{CdI}_{4}\right]^{2-}\)
4 \(\left[\mathrm{Cd}(\mathrm{CN})_{4}\right]^{2-}\)
CHXII09:COORDINATION COMPOUNDS

322115 Instability constant \({\text{K}}\) values for \(\left[\mathrm{Ag}\left(\mathrm{NO}_{2}\right)_{2}\right]^{-}\)and \(\left[\mathrm{Ag}(\mathrm{CN})_{2}\right]^{-}\)are \(1.3 \times 10^{-3}\) and \(8 \times 10^{-21}\) respectively. If \({{\text{C}}_{\text{1}}}\,\,{\text{and}}\,\,{{\text{C}}_{\text{2}}}\) are the concentrations of \(\mathrm{Ag}^{+}\) ion in equimolar solutions of these two complexes respectively, then

1 \({{\text{C}}_{\text{1}}}{\text{ > }}{{\text{C}}_{\text{2}}}\)
2 \({{\text{C}}_{\text{1}}}{\text{ = }}{{\text{C}}_{\text{2}}}\)
3 \({{\text{C}}_{\text{1}}}{\text{ < }}{{\text{C}}_{\text{2}}}\)
4 \({{\text{C}}_{\text{1}}}{\text{ = 2}}{{\text{C}}_{\text{2}}}\)
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