09. COORDINATION COMPOUNDS[KARNATAKA CET EXCLUSIVE]
CHEMISTRY(KCET)

285512 A correct statement is

1 \(\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{2+}\) is paramagnetic
2 \(\left[\mathrm{MnBr}_4\right]^{2-}\) is tetrahedral
3 \(\left[\mathrm{CoBr}_2(\mathrm{en})_2\right]^{-}\)exhibits linkage isomerism
4 \(\left[\mathrm{Ni}\left(\mathrm{NH}_3\right)_6\right]^{2+}\) is an inner orbital complex.
CHEMISTRY(KCET)

285479 On treating 100 rnL of 0.1 M aqueous solution of the complex\(\mathrm{CrCl}_3 \cdot 6 \mathrm{H}_2 \mathrm{O}\) with excess of \(\mathrm{AgNO}_3, 2.86 \mathrm{~g}\) of AgCl was obtained. The complex is :

1 \(\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_3 \mathrm{Cl}_3\right] \cdot 3 \mathrm{H}_2 \mathrm{O}\)
2 \(\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_4 \mathrm{Cl}_2\right] \mathrm{Cl} \cdot 2 \mathrm{H}_2 \mathrm{O}\)
3 \(\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_5 \mathrm{Cl}\right] \mathrm{Cl}_2 \cdot \mathrm{H}_2 \mathrm{O}\)
4 \(\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_6 \mathrm{Cl}_3\right]\)
CHEMISTRY(KCET)

285480 The complex compounds\(\left[\mathrm{CO}\left(\mathrm{NH}_3\right)_5 \mathrm{SO}_4\right] \mathrm{Br}\) and \(\left[\mathrm{CO}\left(\mathrm{NH}_3\right)_5 \mathrm{Br}\right] \mathrm{SO}_4\) are:

1 Coordination isomers
2 Geometrical isomers
3 Optical isomers
4 Ionisation isomer
CHEMISTRY(KCET)

285481 Which of the following statements are true about\(\left[\mathrm{CoF}_6\right]^{3-}\) ion?
I. The complex has octahedral geometry.
II. Coordination number of Co is 3 and oxidation state is +6 .
III. The complex is \(\mathrm{sp}^3 \mathrm{~d}^2\) hybridised.
IV. It is a high spin complex.

1 I, II and IV
2 I, III and IV
3 II and IV
4 II, III and IV
CHEMISTRY(KCET)

285482 Match the following :

I. \(\mathrm{Zn}^{2+}\)
i. \(d^8\) configuration
II. \(\mathrm{Cu}^{2+}\)
ii. colourless
III. \(\mathrm{Ni}^{2+}\)
iii. \(\mu=1.73 \mathrm{BM}\)

1 \(\mathrm{I}-\mathrm{i}, \mathrm{II}-\mathrm{ii}, \mathrm{III}-\mathrm{iii}\)
2 I-ii, II-iii, III-i
3 I-ii, II-i, III-iii
4 I-i, II-iii, III-ii
CHEMISTRY(KCET)

285512 A correct statement is

1 \(\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{2+}\) is paramagnetic
2 \(\left[\mathrm{MnBr}_4\right]^{2-}\) is tetrahedral
3 \(\left[\mathrm{CoBr}_2(\mathrm{en})_2\right]^{-}\)exhibits linkage isomerism
4 \(\left[\mathrm{Ni}\left(\mathrm{NH}_3\right)_6\right]^{2+}\) is an inner orbital complex.
CHEMISTRY(KCET)

285479 On treating 100 rnL of 0.1 M aqueous solution of the complex\(\mathrm{CrCl}_3 \cdot 6 \mathrm{H}_2 \mathrm{O}\) with excess of \(\mathrm{AgNO}_3, 2.86 \mathrm{~g}\) of AgCl was obtained. The complex is :

1 \(\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_3 \mathrm{Cl}_3\right] \cdot 3 \mathrm{H}_2 \mathrm{O}\)
2 \(\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_4 \mathrm{Cl}_2\right] \mathrm{Cl} \cdot 2 \mathrm{H}_2 \mathrm{O}\)
3 \(\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_5 \mathrm{Cl}\right] \mathrm{Cl}_2 \cdot \mathrm{H}_2 \mathrm{O}\)
4 \(\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_6 \mathrm{Cl}_3\right]\)
CHEMISTRY(KCET)

285480 The complex compounds\(\left[\mathrm{CO}\left(\mathrm{NH}_3\right)_5 \mathrm{SO}_4\right] \mathrm{Br}\) and \(\left[\mathrm{CO}\left(\mathrm{NH}_3\right)_5 \mathrm{Br}\right] \mathrm{SO}_4\) are:

1 Coordination isomers
2 Geometrical isomers
3 Optical isomers
4 Ionisation isomer
CHEMISTRY(KCET)

285481 Which of the following statements are true about\(\left[\mathrm{CoF}_6\right]^{3-}\) ion?
I. The complex has octahedral geometry.
II. Coordination number of Co is 3 and oxidation state is +6 .
III. The complex is \(\mathrm{sp}^3 \mathrm{~d}^2\) hybridised.
IV. It is a high spin complex.

1 I, II and IV
2 I, III and IV
3 II and IV
4 II, III and IV
CHEMISTRY(KCET)

285482 Match the following :

I. \(\mathrm{Zn}^{2+}\)
i. \(d^8\) configuration
II. \(\mathrm{Cu}^{2+}\)
ii. colourless
III. \(\mathrm{Ni}^{2+}\)
iii. \(\mu=1.73 \mathrm{BM}\)

1 \(\mathrm{I}-\mathrm{i}, \mathrm{II}-\mathrm{ii}, \mathrm{III}-\mathrm{iii}\)
2 I-ii, II-iii, III-i
3 I-ii, II-i, III-iii
4 I-i, II-iii, III-ii
CHEMISTRY(KCET)

285512 A correct statement is

1 \(\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{2+}\) is paramagnetic
2 \(\left[\mathrm{MnBr}_4\right]^{2-}\) is tetrahedral
3 \(\left[\mathrm{CoBr}_2(\mathrm{en})_2\right]^{-}\)exhibits linkage isomerism
4 \(\left[\mathrm{Ni}\left(\mathrm{NH}_3\right)_6\right]^{2+}\) is an inner orbital complex.
CHEMISTRY(KCET)

285479 On treating 100 rnL of 0.1 M aqueous solution of the complex\(\mathrm{CrCl}_3 \cdot 6 \mathrm{H}_2 \mathrm{O}\) with excess of \(\mathrm{AgNO}_3, 2.86 \mathrm{~g}\) of AgCl was obtained. The complex is :

1 \(\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_3 \mathrm{Cl}_3\right] \cdot 3 \mathrm{H}_2 \mathrm{O}\)
2 \(\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_4 \mathrm{Cl}_2\right] \mathrm{Cl} \cdot 2 \mathrm{H}_2 \mathrm{O}\)
3 \(\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_5 \mathrm{Cl}\right] \mathrm{Cl}_2 \cdot \mathrm{H}_2 \mathrm{O}\)
4 \(\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_6 \mathrm{Cl}_3\right]\)
CHEMISTRY(KCET)

285480 The complex compounds\(\left[\mathrm{CO}\left(\mathrm{NH}_3\right)_5 \mathrm{SO}_4\right] \mathrm{Br}\) and \(\left[\mathrm{CO}\left(\mathrm{NH}_3\right)_5 \mathrm{Br}\right] \mathrm{SO}_4\) are:

1 Coordination isomers
2 Geometrical isomers
3 Optical isomers
4 Ionisation isomer
CHEMISTRY(KCET)

285481 Which of the following statements are true about\(\left[\mathrm{CoF}_6\right]^{3-}\) ion?
I. The complex has octahedral geometry.
II. Coordination number of Co is 3 and oxidation state is +6 .
III. The complex is \(\mathrm{sp}^3 \mathrm{~d}^2\) hybridised.
IV. It is a high spin complex.

1 I, II and IV
2 I, III and IV
3 II and IV
4 II, III and IV
CHEMISTRY(KCET)

285482 Match the following :

I. \(\mathrm{Zn}^{2+}\)
i. \(d^8\) configuration
II. \(\mathrm{Cu}^{2+}\)
ii. colourless
III. \(\mathrm{Ni}^{2+}\)
iii. \(\mu=1.73 \mathrm{BM}\)

1 \(\mathrm{I}-\mathrm{i}, \mathrm{II}-\mathrm{ii}, \mathrm{III}-\mathrm{iii}\)
2 I-ii, II-iii, III-i
3 I-ii, II-i, III-iii
4 I-i, II-iii, III-ii
CHEMISTRY(KCET)

285512 A correct statement is

1 \(\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{2+}\) is paramagnetic
2 \(\left[\mathrm{MnBr}_4\right]^{2-}\) is tetrahedral
3 \(\left[\mathrm{CoBr}_2(\mathrm{en})_2\right]^{-}\)exhibits linkage isomerism
4 \(\left[\mathrm{Ni}\left(\mathrm{NH}_3\right)_6\right]^{2+}\) is an inner orbital complex.
CHEMISTRY(KCET)

285479 On treating 100 rnL of 0.1 M aqueous solution of the complex\(\mathrm{CrCl}_3 \cdot 6 \mathrm{H}_2 \mathrm{O}\) with excess of \(\mathrm{AgNO}_3, 2.86 \mathrm{~g}\) of AgCl was obtained. The complex is :

1 \(\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_3 \mathrm{Cl}_3\right] \cdot 3 \mathrm{H}_2 \mathrm{O}\)
2 \(\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_4 \mathrm{Cl}_2\right] \mathrm{Cl} \cdot 2 \mathrm{H}_2 \mathrm{O}\)
3 \(\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_5 \mathrm{Cl}\right] \mathrm{Cl}_2 \cdot \mathrm{H}_2 \mathrm{O}\)
4 \(\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_6 \mathrm{Cl}_3\right]\)
CHEMISTRY(KCET)

285480 The complex compounds\(\left[\mathrm{CO}\left(\mathrm{NH}_3\right)_5 \mathrm{SO}_4\right] \mathrm{Br}\) and \(\left[\mathrm{CO}\left(\mathrm{NH}_3\right)_5 \mathrm{Br}\right] \mathrm{SO}_4\) are:

1 Coordination isomers
2 Geometrical isomers
3 Optical isomers
4 Ionisation isomer
CHEMISTRY(KCET)

285481 Which of the following statements are true about\(\left[\mathrm{CoF}_6\right]^{3-}\) ion?
I. The complex has octahedral geometry.
II. Coordination number of Co is 3 and oxidation state is +6 .
III. The complex is \(\mathrm{sp}^3 \mathrm{~d}^2\) hybridised.
IV. It is a high spin complex.

1 I, II and IV
2 I, III and IV
3 II and IV
4 II, III and IV
CHEMISTRY(KCET)

285482 Match the following :

I. \(\mathrm{Zn}^{2+}\)
i. \(d^8\) configuration
II. \(\mathrm{Cu}^{2+}\)
ii. colourless
III. \(\mathrm{Ni}^{2+}\)
iii. \(\mu=1.73 \mathrm{BM}\)

1 \(\mathrm{I}-\mathrm{i}, \mathrm{II}-\mathrm{ii}, \mathrm{III}-\mathrm{iii}\)
2 I-ii, II-iii, III-i
3 I-ii, II-i, III-iii
4 I-i, II-iii, III-ii
CHEMISTRY(KCET)

285512 A correct statement is

1 \(\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{2+}\) is paramagnetic
2 \(\left[\mathrm{MnBr}_4\right]^{2-}\) is tetrahedral
3 \(\left[\mathrm{CoBr}_2(\mathrm{en})_2\right]^{-}\)exhibits linkage isomerism
4 \(\left[\mathrm{Ni}\left(\mathrm{NH}_3\right)_6\right]^{2+}\) is an inner orbital complex.
CHEMISTRY(KCET)

285479 On treating 100 rnL of 0.1 M aqueous solution of the complex\(\mathrm{CrCl}_3 \cdot 6 \mathrm{H}_2 \mathrm{O}\) with excess of \(\mathrm{AgNO}_3, 2.86 \mathrm{~g}\) of AgCl was obtained. The complex is :

1 \(\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_3 \mathrm{Cl}_3\right] \cdot 3 \mathrm{H}_2 \mathrm{O}\)
2 \(\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_4 \mathrm{Cl}_2\right] \mathrm{Cl} \cdot 2 \mathrm{H}_2 \mathrm{O}\)
3 \(\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_5 \mathrm{Cl}\right] \mathrm{Cl}_2 \cdot \mathrm{H}_2 \mathrm{O}\)
4 \(\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_6 \mathrm{Cl}_3\right]\)
CHEMISTRY(KCET)

285480 The complex compounds\(\left[\mathrm{CO}\left(\mathrm{NH}_3\right)_5 \mathrm{SO}_4\right] \mathrm{Br}\) and \(\left[\mathrm{CO}\left(\mathrm{NH}_3\right)_5 \mathrm{Br}\right] \mathrm{SO}_4\) are:

1 Coordination isomers
2 Geometrical isomers
3 Optical isomers
4 Ionisation isomer
CHEMISTRY(KCET)

285481 Which of the following statements are true about\(\left[\mathrm{CoF}_6\right]^{3-}\) ion?
I. The complex has octahedral geometry.
II. Coordination number of Co is 3 and oxidation state is +6 .
III. The complex is \(\mathrm{sp}^3 \mathrm{~d}^2\) hybridised.
IV. It is a high spin complex.

1 I, II and IV
2 I, III and IV
3 II and IV
4 II, III and IV
CHEMISTRY(KCET)

285482 Match the following :

I. \(\mathrm{Zn}^{2+}\)
i. \(d^8\) configuration
II. \(\mathrm{Cu}^{2+}\)
ii. colourless
III. \(\mathrm{Ni}^{2+}\)
iii. \(\mu=1.73 \mathrm{BM}\)

1 \(\mathrm{I}-\mathrm{i}, \mathrm{II}-\mathrm{ii}, \mathrm{III}-\mathrm{iii}\)
2 I-ii, II-iii, III-i
3 I-ii, II-i, III-iii
4 I-i, II-iii, III-ii