Isomerism in Coordination Compounds
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CHXII09:COORDINATION COMPOUNDS

321995 \(\mathrm{CrCl}_{3} \cdot 6 \mathrm{H}_{2} \mathrm{O}\) exists in different isometric forms which show different colours like violet and green. This is due to

1 Ionisation isomerism
2 Coordination Isomerism
3 Optical Isomerism
4 Hydrate Isomerism
CHXII09:COORDINATION COMPOUNDS

321996 Which of the following isomers will give white precipitate with \(\mathrm{BaCl}_{2}\) solution?

1 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Cl}_{2}\right] \mathrm{Br}\)
2 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{3} \mathrm{Cl}_{3}\right]\)
3 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right] \mathrm{SO}_{4}\)
4 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Br}_{2}\right] \mathrm{Cl}\)
CHXII09:COORDINATION COMPOUNDS

321997 \(\left[\mathrm{Fe}\left(\mathrm{NO}_{2}\right)_{3} \mathrm{Cl}_{3}\right]\) and \(\left[\mathrm{Fe}(\mathrm{ONO})_{3} \mathrm{Cl}_{3}\right]\) will show

1 Linkage isomerism
2 Ionization isomerism
3 Geometrical isomerism
4 Optical isomerism
CHXII09:COORDINATION COMPOUNDS

321998 The complex cation which has two isomers is

1 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right]^{+}\)
2 \(\left[\mathrm{Co}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}\)
3 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{NO}_{2}\right]^{2+}\)
4 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right]^{2+}\)
JEE - 2023
CHXII09:COORDINATION COMPOUNDS

321999 Which among the following statements are true for the complex \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]\left[\mathrm{Cr}(\mathrm{CN})_{6}\right]\) ?
(A) It is a non-electrolyte.
(B) The magnitude of the charge on each complex ion is three.
(C) The complex will not conduct current in aqueous solution.
(D) The complex will exhibit co-ordination isomerism.
(E) The magnitude of the charge on each complex ion is one.

1 A and D
2 A and C
3 C and E
4 B and D
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CHXII09:COORDINATION COMPOUNDS

321995 \(\mathrm{CrCl}_{3} \cdot 6 \mathrm{H}_{2} \mathrm{O}\) exists in different isometric forms which show different colours like violet and green. This is due to

1 Ionisation isomerism
2 Coordination Isomerism
3 Optical Isomerism
4 Hydrate Isomerism
CHXII09:COORDINATION COMPOUNDS

321996 Which of the following isomers will give white precipitate with \(\mathrm{BaCl}_{2}\) solution?

1 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Cl}_{2}\right] \mathrm{Br}\)
2 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{3} \mathrm{Cl}_{3}\right]\)
3 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right] \mathrm{SO}_{4}\)
4 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Br}_{2}\right] \mathrm{Cl}\)
CHXII09:COORDINATION COMPOUNDS

321997 \(\left[\mathrm{Fe}\left(\mathrm{NO}_{2}\right)_{3} \mathrm{Cl}_{3}\right]\) and \(\left[\mathrm{Fe}(\mathrm{ONO})_{3} \mathrm{Cl}_{3}\right]\) will show

1 Linkage isomerism
2 Ionization isomerism
3 Geometrical isomerism
4 Optical isomerism
CHXII09:COORDINATION COMPOUNDS

321998 The complex cation which has two isomers is

1 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right]^{+}\)
2 \(\left[\mathrm{Co}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}\)
3 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{NO}_{2}\right]^{2+}\)
4 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right]^{2+}\)
JEE - 2023
CHXII09:COORDINATION COMPOUNDS

321999 Which among the following statements are true for the complex \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]\left[\mathrm{Cr}(\mathrm{CN})_{6}\right]\) ?
(A) It is a non-electrolyte.
(B) The magnitude of the charge on each complex ion is three.
(C) The complex will not conduct current in aqueous solution.
(D) The complex will exhibit co-ordination isomerism.
(E) The magnitude of the charge on each complex ion is one.

1 A and D
2 A and C
3 C and E
4 B and D
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CHXII09:COORDINATION COMPOUNDS

321995 \(\mathrm{CrCl}_{3} \cdot 6 \mathrm{H}_{2} \mathrm{O}\) exists in different isometric forms which show different colours like violet and green. This is due to

1 Ionisation isomerism
2 Coordination Isomerism
3 Optical Isomerism
4 Hydrate Isomerism
CHXII09:COORDINATION COMPOUNDS

321996 Which of the following isomers will give white precipitate with \(\mathrm{BaCl}_{2}\) solution?

1 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Cl}_{2}\right] \mathrm{Br}\)
2 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{3} \mathrm{Cl}_{3}\right]\)
3 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right] \mathrm{SO}_{4}\)
4 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Br}_{2}\right] \mathrm{Cl}\)
CHXII09:COORDINATION COMPOUNDS

321997 \(\left[\mathrm{Fe}\left(\mathrm{NO}_{2}\right)_{3} \mathrm{Cl}_{3}\right]\) and \(\left[\mathrm{Fe}(\mathrm{ONO})_{3} \mathrm{Cl}_{3}\right]\) will show

1 Linkage isomerism
2 Ionization isomerism
3 Geometrical isomerism
4 Optical isomerism
CHXII09:COORDINATION COMPOUNDS

321998 The complex cation which has two isomers is

1 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right]^{+}\)
2 \(\left[\mathrm{Co}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}\)
3 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{NO}_{2}\right]^{2+}\)
4 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right]^{2+}\)
JEE - 2023
CHXII09:COORDINATION COMPOUNDS

321999 Which among the following statements are true for the complex \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]\left[\mathrm{Cr}(\mathrm{CN})_{6}\right]\) ?
(A) It is a non-electrolyte.
(B) The magnitude of the charge on each complex ion is three.
(C) The complex will not conduct current in aqueous solution.
(D) The complex will exhibit co-ordination isomerism.
(E) The magnitude of the charge on each complex ion is one.

1 A and D
2 A and C
3 C and E
4 B and D
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CHXII09:COORDINATION COMPOUNDS

321995 \(\mathrm{CrCl}_{3} \cdot 6 \mathrm{H}_{2} \mathrm{O}\) exists in different isometric forms which show different colours like violet and green. This is due to

1 Ionisation isomerism
2 Coordination Isomerism
3 Optical Isomerism
4 Hydrate Isomerism
CHXII09:COORDINATION COMPOUNDS

321996 Which of the following isomers will give white precipitate with \(\mathrm{BaCl}_{2}\) solution?

1 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Cl}_{2}\right] \mathrm{Br}\)
2 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{3} \mathrm{Cl}_{3}\right]\)
3 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right] \mathrm{SO}_{4}\)
4 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Br}_{2}\right] \mathrm{Cl}\)
CHXII09:COORDINATION COMPOUNDS

321997 \(\left[\mathrm{Fe}\left(\mathrm{NO}_{2}\right)_{3} \mathrm{Cl}_{3}\right]\) and \(\left[\mathrm{Fe}(\mathrm{ONO})_{3} \mathrm{Cl}_{3}\right]\) will show

1 Linkage isomerism
2 Ionization isomerism
3 Geometrical isomerism
4 Optical isomerism
CHXII09:COORDINATION COMPOUNDS

321998 The complex cation which has two isomers is

1 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right]^{+}\)
2 \(\left[\mathrm{Co}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}\)
3 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{NO}_{2}\right]^{2+}\)
4 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right]^{2+}\)
JEE - 2023
CHXII09:COORDINATION COMPOUNDS

321999 Which among the following statements are true for the complex \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]\left[\mathrm{Cr}(\mathrm{CN})_{6}\right]\) ?
(A) It is a non-electrolyte.
(B) The magnitude of the charge on each complex ion is three.
(C) The complex will not conduct current in aqueous solution.
(D) The complex will exhibit co-ordination isomerism.
(E) The magnitude of the charge on each complex ion is one.

1 A and D
2 A and C
3 C and E
4 B and D
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CHXII09:COORDINATION COMPOUNDS

321995 \(\mathrm{CrCl}_{3} \cdot 6 \mathrm{H}_{2} \mathrm{O}\) exists in different isometric forms which show different colours like violet and green. This is due to

1 Ionisation isomerism
2 Coordination Isomerism
3 Optical Isomerism
4 Hydrate Isomerism
CHXII09:COORDINATION COMPOUNDS

321996 Which of the following isomers will give white precipitate with \(\mathrm{BaCl}_{2}\) solution?

1 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Cl}_{2}\right] \mathrm{Br}\)
2 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{3} \mathrm{Cl}_{3}\right]\)
3 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right] \mathrm{SO}_{4}\)
4 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Br}_{2}\right] \mathrm{Cl}\)
CHXII09:COORDINATION COMPOUNDS

321997 \(\left[\mathrm{Fe}\left(\mathrm{NO}_{2}\right)_{3} \mathrm{Cl}_{3}\right]\) and \(\left[\mathrm{Fe}(\mathrm{ONO})_{3} \mathrm{Cl}_{3}\right]\) will show

1 Linkage isomerism
2 Ionization isomerism
3 Geometrical isomerism
4 Optical isomerism
CHXII09:COORDINATION COMPOUNDS

321998 The complex cation which has two isomers is

1 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right]^{+}\)
2 \(\left[\mathrm{Co}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}\)
3 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{NO}_{2}\right]^{2+}\)
4 \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}\right]^{2+}\)
JEE - 2023
CHXII09:COORDINATION COMPOUNDS

321999 Which among the following statements are true for the complex \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]\left[\mathrm{Cr}(\mathrm{CN})_{6}\right]\) ?
(A) It is a non-electrolyte.
(B) The magnitude of the charge on each complex ion is three.
(C) The complex will not conduct current in aqueous solution.
(D) The complex will exhibit co-ordination isomerism.
(E) The magnitude of the charge on each complex ion is one.

1 A and D
2 A and C
3 C and E
4 B and D