Valence Bond Theory
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CHXII09:COORDINATION COMPOUNDS

322337 Choose the correct statement.

1 \(\left[ {{\text{Co}}{{\left( {{\text{N}}{{\text{H}}_3}} \right)}_6}} \right]_{}^{2 + }\) is oxidised to diamagnetic \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}\) by the oxygen in air
2 Tetrahedral complexes are more stable than octahedral complexes
3 \(\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{3-}\) is stable but \(\left[\mathrm{FeF}_{6}\right]^{3-}\) is unstable
4 The \(\left[\mathrm{Cu}\left(\mathrm{NH}_{3}\right)_{4}\right]^{2+}\) ion has a tetrahedral geometry and is diamagnetic
CHXII09:COORDINATION COMPOUNDS

322338 Match Column I with Column II and choose the correct combination from the options given.
supporting img

1 A - P,R,T, B - P,Q,S, C - P,R,S,D - R
2 A - P,R, B - P,S,T, C - R, D - P,Q,S
3 A - P,Q,R, B - P,Q,T, C - P,Q,T, D - R
4 A - P,Q, B - P,T, C - P,S, D - R
CHXII09:COORDINATION COMPOUNDS

322339 Consider the following complex ions
\(\mathrm{P}=\left[\mathrm{FeF}_{6}\right]^{3-} \mathrm{Q}=\left[\mathrm{V}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+} \mathrm{R}=\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}\)
The correct order of the complex ions, according to their spin only magnetic moment values (in B.M.) is :

1 R \( < \) P \( < \) Q
2 R \( < \) Q \( < \) P
3 Q \( < \) R \( < \) P
4 Q \( < \) P \( < \) R
JEE - 2024
CHXII09:COORDINATION COMPOUNDS

322340 If \(\mathrm{Ni}^{2+}\) is replaced by \(\mathrm{Pt}^{2+}\) in the complex \(\left[\mathrm{NiCl}_{2} \mathrm{Br}_{2}\right]^{2-}\), which of the following properties are expected to get changed?
A. Geometry
B. Geometrical isomerism
C. Optical isomerism
D. Magnetic properties

1 B and C
2 A, B and D
3 A and D
4 A, B and C
JEE - 2023
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CHXII09:COORDINATION COMPOUNDS

322337 Choose the correct statement.

1 \(\left[ {{\text{Co}}{{\left( {{\text{N}}{{\text{H}}_3}} \right)}_6}} \right]_{}^{2 + }\) is oxidised to diamagnetic \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}\) by the oxygen in air
2 Tetrahedral complexes are more stable than octahedral complexes
3 \(\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{3-}\) is stable but \(\left[\mathrm{FeF}_{6}\right]^{3-}\) is unstable
4 The \(\left[\mathrm{Cu}\left(\mathrm{NH}_{3}\right)_{4}\right]^{2+}\) ion has a tetrahedral geometry and is diamagnetic
CHXII09:COORDINATION COMPOUNDS

322338 Match Column I with Column II and choose the correct combination from the options given.
supporting img

1 A - P,R,T, B - P,Q,S, C - P,R,S,D - R
2 A - P,R, B - P,S,T, C - R, D - P,Q,S
3 A - P,Q,R, B - P,Q,T, C - P,Q,T, D - R
4 A - P,Q, B - P,T, C - P,S, D - R
CHXII09:COORDINATION COMPOUNDS

322339 Consider the following complex ions
\(\mathrm{P}=\left[\mathrm{FeF}_{6}\right]^{3-} \mathrm{Q}=\left[\mathrm{V}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+} \mathrm{R}=\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}\)
The correct order of the complex ions, according to their spin only magnetic moment values (in B.M.) is :

1 R \( < \) P \( < \) Q
2 R \( < \) Q \( < \) P
3 Q \( < \) R \( < \) P
4 Q \( < \) P \( < \) R
JEE - 2024
CHXII09:COORDINATION COMPOUNDS

322340 If \(\mathrm{Ni}^{2+}\) is replaced by \(\mathrm{Pt}^{2+}\) in the complex \(\left[\mathrm{NiCl}_{2} \mathrm{Br}_{2}\right]^{2-}\), which of the following properties are expected to get changed?
A. Geometry
B. Geometrical isomerism
C. Optical isomerism
D. Magnetic properties

1 B and C
2 A, B and D
3 A and D
4 A, B and C
JEE - 2023
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CHXII09:COORDINATION COMPOUNDS

322337 Choose the correct statement.

1 \(\left[ {{\text{Co}}{{\left( {{\text{N}}{{\text{H}}_3}} \right)}_6}} \right]_{}^{2 + }\) is oxidised to diamagnetic \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}\) by the oxygen in air
2 Tetrahedral complexes are more stable than octahedral complexes
3 \(\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{3-}\) is stable but \(\left[\mathrm{FeF}_{6}\right]^{3-}\) is unstable
4 The \(\left[\mathrm{Cu}\left(\mathrm{NH}_{3}\right)_{4}\right]^{2+}\) ion has a tetrahedral geometry and is diamagnetic
CHXII09:COORDINATION COMPOUNDS

322338 Match Column I with Column II and choose the correct combination from the options given.
supporting img

1 A - P,R,T, B - P,Q,S, C - P,R,S,D - R
2 A - P,R, B - P,S,T, C - R, D - P,Q,S
3 A - P,Q,R, B - P,Q,T, C - P,Q,T, D - R
4 A - P,Q, B - P,T, C - P,S, D - R
CHXII09:COORDINATION COMPOUNDS

322339 Consider the following complex ions
\(\mathrm{P}=\left[\mathrm{FeF}_{6}\right]^{3-} \mathrm{Q}=\left[\mathrm{V}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+} \mathrm{R}=\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}\)
The correct order of the complex ions, according to their spin only magnetic moment values (in B.M.) is :

1 R \( < \) P \( < \) Q
2 R \( < \) Q \( < \) P
3 Q \( < \) R \( < \) P
4 Q \( < \) P \( < \) R
JEE - 2024
CHXII09:COORDINATION COMPOUNDS

322340 If \(\mathrm{Ni}^{2+}\) is replaced by \(\mathrm{Pt}^{2+}\) in the complex \(\left[\mathrm{NiCl}_{2} \mathrm{Br}_{2}\right]^{2-}\), which of the following properties are expected to get changed?
A. Geometry
B. Geometrical isomerism
C. Optical isomerism
D. Magnetic properties

1 B and C
2 A, B and D
3 A and D
4 A, B and C
JEE - 2023
NEET DIGITAL LIBRARY
CHXII09:COORDINATION COMPOUNDS

322337 Choose the correct statement.

1 \(\left[ {{\text{Co}}{{\left( {{\text{N}}{{\text{H}}_3}} \right)}_6}} \right]_{}^{2 + }\) is oxidised to diamagnetic \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}\) by the oxygen in air
2 Tetrahedral complexes are more stable than octahedral complexes
3 \(\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{3-}\) is stable but \(\left[\mathrm{FeF}_{6}\right]^{3-}\) is unstable
4 The \(\left[\mathrm{Cu}\left(\mathrm{NH}_{3}\right)_{4}\right]^{2+}\) ion has a tetrahedral geometry and is diamagnetic
CHXII09:COORDINATION COMPOUNDS

322338 Match Column I with Column II and choose the correct combination from the options given.
supporting img

1 A - P,R,T, B - P,Q,S, C - P,R,S,D - R
2 A - P,R, B - P,S,T, C - R, D - P,Q,S
3 A - P,Q,R, B - P,Q,T, C - P,Q,T, D - R
4 A - P,Q, B - P,T, C - P,S, D - R
CHXII09:COORDINATION COMPOUNDS

322339 Consider the following complex ions
\(\mathrm{P}=\left[\mathrm{FeF}_{6}\right]^{3-} \mathrm{Q}=\left[\mathrm{V}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+} \mathrm{R}=\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}\)
The correct order of the complex ions, according to their spin only magnetic moment values (in B.M.) is :

1 R \( < \) P \( < \) Q
2 R \( < \) Q \( < \) P
3 Q \( < \) R \( < \) P
4 Q \( < \) P \( < \) R
JEE - 2024
CHXII09:COORDINATION COMPOUNDS

322340 If \(\mathrm{Ni}^{2+}\) is replaced by \(\mathrm{Pt}^{2+}\) in the complex \(\left[\mathrm{NiCl}_{2} \mathrm{Br}_{2}\right]^{2-}\), which of the following properties are expected to get changed?
A. Geometry
B. Geometrical isomerism
C. Optical isomerism
D. Magnetic properties

1 B and C
2 A, B and D
3 A and D
4 A, B and C
JEE - 2023
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