04. Spectrochemical Series, Complex Stability
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COORDINATION COMPOUNDS

274284 $[\operatorname{Pd}(\mathrm{F})(\mathrm{Cl})(\mathrm{Br})(\mathrm{I})]^{2-}$ has $\mathrm{n}$ number of geometrical isomers. Then, the spin-only magnetic moment and crystal field stabilization energy $[\mathrm{CFSE}]$ of $\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{\mathrm{n}-6}$ respectively, are [Note-Ignore the pairing energy]

1 $1.73 \mathrm{BM}$ and $-2.0 \Delta_{0}$
2 $2.84 \mathrm{BM}$ and $-1.6 \Delta_{0}$
3 $0 \mathrm{BM}$ and $-2.4 \Delta_{0}$
4 $5.92 \mathrm{BM}$ and $0 \Delta_{0}$
JEE Main 2020
COORDINATION COMPOUNDS

274285 Among the statements (A)-(D), the incorrect ones are

1 B and C only
2 A and B only
3 A and D only
4 C and D only
JEE Main 2020
COORDINATION COMPOUNDS

274294 The metal d-orbitals that are directly facing the ligands in $\mathrm{K}_{3}\left[\mathrm{Co}(\mathrm{CN})_{6}\right]$ are

1 $\mathrm{d}_{\mathrm{xz}}, \mathrm{d}_{\mathrm{yz}}$ and $\mathrm{d}_{\mathrm{z}^{2}}$
2 $\mathrm{d}_{\mathrm{x}^{2}-\mathrm{y}^{2}}$, and $\mathrm{d}_{\mathrm{z}^{2}}$
3 $\mathrm{d}_{\mathrm{xy}}, \mathrm{d}_{\mathrm{xz}}$ and $\mathrm{d}_{\mathrm{yz}}$
4 $\mathrm{d}_{\mathrm{xz}}$ and $\mathrm{d}_{\mathrm{x}^{2}-\mathrm{y}^{2}}$
JEE Main 2019
COORDINATION COMPOUNDS

274287 The values of the crystal field stabilization energies for a high spin $d^{6}$ metal ion in octahedral and tetrahedral fields respectively, are

1 $-0.4 \Delta_{0}$ and $-0.27 \Delta_{\mathrm{t}}$
2 $-1.6 \Delta_{0}$ and $-0.4 \Delta_{\mathrm{t}}$
3 $-2.4 \Delta_{0}$ and $-0.6 \Delta_{\mathrm{t}}$
4 $-0.4 \Delta_{0}$ and $-0.6 \Delta_{\mathrm{t}}$
JEE Main 2020
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COORDINATION COMPOUNDS

274284 $[\operatorname{Pd}(\mathrm{F})(\mathrm{Cl})(\mathrm{Br})(\mathrm{I})]^{2-}$ has $\mathrm{n}$ number of geometrical isomers. Then, the spin-only magnetic moment and crystal field stabilization energy $[\mathrm{CFSE}]$ of $\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{\mathrm{n}-6}$ respectively, are [Note-Ignore the pairing energy]

1 $1.73 \mathrm{BM}$ and $-2.0 \Delta_{0}$
2 $2.84 \mathrm{BM}$ and $-1.6 \Delta_{0}$
3 $0 \mathrm{BM}$ and $-2.4 \Delta_{0}$
4 $5.92 \mathrm{BM}$ and $0 \Delta_{0}$
JEE Main 2020
COORDINATION COMPOUNDS

274285 Among the statements (A)-(D), the incorrect ones are

1 B and C only
2 A and B only
3 A and D only
4 C and D only
JEE Main 2020
COORDINATION COMPOUNDS

274294 The metal d-orbitals that are directly facing the ligands in $\mathrm{K}_{3}\left[\mathrm{Co}(\mathrm{CN})_{6}\right]$ are

1 $\mathrm{d}_{\mathrm{xz}}, \mathrm{d}_{\mathrm{yz}}$ and $\mathrm{d}_{\mathrm{z}^{2}}$
2 $\mathrm{d}_{\mathrm{x}^{2}-\mathrm{y}^{2}}$, and $\mathrm{d}_{\mathrm{z}^{2}}$
3 $\mathrm{d}_{\mathrm{xy}}, \mathrm{d}_{\mathrm{xz}}$ and $\mathrm{d}_{\mathrm{yz}}$
4 $\mathrm{d}_{\mathrm{xz}}$ and $\mathrm{d}_{\mathrm{x}^{2}-\mathrm{y}^{2}}$
JEE Main 2019
COORDINATION COMPOUNDS

274287 The values of the crystal field stabilization energies for a high spin $d^{6}$ metal ion in octahedral and tetrahedral fields respectively, are

1 $-0.4 \Delta_{0}$ and $-0.27 \Delta_{\mathrm{t}}$
2 $-1.6 \Delta_{0}$ and $-0.4 \Delta_{\mathrm{t}}$
3 $-2.4 \Delta_{0}$ and $-0.6 \Delta_{\mathrm{t}}$
4 $-0.4 \Delta_{0}$ and $-0.6 \Delta_{\mathrm{t}}$
JEE Main 2020
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COORDINATION COMPOUNDS

274284 $[\operatorname{Pd}(\mathrm{F})(\mathrm{Cl})(\mathrm{Br})(\mathrm{I})]^{2-}$ has $\mathrm{n}$ number of geometrical isomers. Then, the spin-only magnetic moment and crystal field stabilization energy $[\mathrm{CFSE}]$ of $\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{\mathrm{n}-6}$ respectively, are [Note-Ignore the pairing energy]

1 $1.73 \mathrm{BM}$ and $-2.0 \Delta_{0}$
2 $2.84 \mathrm{BM}$ and $-1.6 \Delta_{0}$
3 $0 \mathrm{BM}$ and $-2.4 \Delta_{0}$
4 $5.92 \mathrm{BM}$ and $0 \Delta_{0}$
JEE Main 2020
COORDINATION COMPOUNDS

274285 Among the statements (A)-(D), the incorrect ones are

1 B and C only
2 A and B only
3 A and D only
4 C and D only
JEE Main 2020
COORDINATION COMPOUNDS

274294 The metal d-orbitals that are directly facing the ligands in $\mathrm{K}_{3}\left[\mathrm{Co}(\mathrm{CN})_{6}\right]$ are

1 $\mathrm{d}_{\mathrm{xz}}, \mathrm{d}_{\mathrm{yz}}$ and $\mathrm{d}_{\mathrm{z}^{2}}$
2 $\mathrm{d}_{\mathrm{x}^{2}-\mathrm{y}^{2}}$, and $\mathrm{d}_{\mathrm{z}^{2}}$
3 $\mathrm{d}_{\mathrm{xy}}, \mathrm{d}_{\mathrm{xz}}$ and $\mathrm{d}_{\mathrm{yz}}$
4 $\mathrm{d}_{\mathrm{xz}}$ and $\mathrm{d}_{\mathrm{x}^{2}-\mathrm{y}^{2}}$
JEE Main 2019
COORDINATION COMPOUNDS

274287 The values of the crystal field stabilization energies for a high spin $d^{6}$ metal ion in octahedral and tetrahedral fields respectively, are

1 $-0.4 \Delta_{0}$ and $-0.27 \Delta_{\mathrm{t}}$
2 $-1.6 \Delta_{0}$ and $-0.4 \Delta_{\mathrm{t}}$
3 $-2.4 \Delta_{0}$ and $-0.6 \Delta_{\mathrm{t}}$
4 $-0.4 \Delta_{0}$ and $-0.6 \Delta_{\mathrm{t}}$
JEE Main 2020
For More Updates join with Us
COORDINATION COMPOUNDS

274284 $[\operatorname{Pd}(\mathrm{F})(\mathrm{Cl})(\mathrm{Br})(\mathrm{I})]^{2-}$ has $\mathrm{n}$ number of geometrical isomers. Then, the spin-only magnetic moment and crystal field stabilization energy $[\mathrm{CFSE}]$ of $\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{\mathrm{n}-6}$ respectively, are [Note-Ignore the pairing energy]

1 $1.73 \mathrm{BM}$ and $-2.0 \Delta_{0}$
2 $2.84 \mathrm{BM}$ and $-1.6 \Delta_{0}$
3 $0 \mathrm{BM}$ and $-2.4 \Delta_{0}$
4 $5.92 \mathrm{BM}$ and $0 \Delta_{0}$
JEE Main 2020
COORDINATION COMPOUNDS

274285 Among the statements (A)-(D), the incorrect ones are

1 B and C only
2 A and B only
3 A and D only
4 C and D only
JEE Main 2020
COORDINATION COMPOUNDS

274294 The metal d-orbitals that are directly facing the ligands in $\mathrm{K}_{3}\left[\mathrm{Co}(\mathrm{CN})_{6}\right]$ are

1 $\mathrm{d}_{\mathrm{xz}}, \mathrm{d}_{\mathrm{yz}}$ and $\mathrm{d}_{\mathrm{z}^{2}}$
2 $\mathrm{d}_{\mathrm{x}^{2}-\mathrm{y}^{2}}$, and $\mathrm{d}_{\mathrm{z}^{2}}$
3 $\mathrm{d}_{\mathrm{xy}}, \mathrm{d}_{\mathrm{xz}}$ and $\mathrm{d}_{\mathrm{yz}}$
4 $\mathrm{d}_{\mathrm{xz}}$ and $\mathrm{d}_{\mathrm{x}^{2}-\mathrm{y}^{2}}$
JEE Main 2019
COORDINATION COMPOUNDS

274287 The values of the crystal field stabilization energies for a high spin $d^{6}$ metal ion in octahedral and tetrahedral fields respectively, are

1 $-0.4 \Delta_{0}$ and $-0.27 \Delta_{\mathrm{t}}$
2 $-1.6 \Delta_{0}$ and $-0.4 \Delta_{\mathrm{t}}$
3 $-2.4 \Delta_{0}$ and $-0.6 \Delta_{\mathrm{t}}$
4 $-0.4 \Delta_{0}$ and $-0.6 \Delta_{\mathrm{t}}$
JEE Main 2020
NEET DIGITAL LIBRARY