Crystal Field Theory
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CHXII09:COORDINATION COMPOUNDS

321825 In the complex ion \(\mathrm{ML}_{6}^{\mathrm{n+}}, \mathrm{M}^{\mathrm{n}+}\) has five d– electrons and L is a strong field ligand. According to CFT, the magnetic properties of the complex ion corresponds to how many unpaired electrons?

1 0
2 1
3 2
4 3
CHXII09:COORDINATION COMPOUNDS

321826 If \({\text{P > }}{\Delta _{\text{0}}}\) then \({{\rm{d}}^{\rm{4}}}\) is represented as

1 \({\text{t}}_{{\text{2g}}}^{{\text{211}}}{\text{e}}_{\text{g}}^{\text{o}}\)
2 \({\text{t}}_{{\text{2g}}}^{{\text{111}}}{\text{e}}_{\text{g}}^{\text{1}}\)
3 \({\text{t}}_{{\text{2g}}}^{\text{o}}{\text{e}}_{\text{g}}^{{\text{22}}}\)
4 \({\text{t}}_{{\text{2g}}}^{\text{1}}{\text{e}}_{\text{g}}^{{\text{21}}}\)
CHXII09:COORDINATION COMPOUNDS

321827 Give the electronic configuration of the following complexes on the basis of Crystal Field Splitting theory.
\(\left[\mathrm{CoF}_{6}\right]^{3-},\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{4-}\) and \(\left[\mathrm{Cu}\left(\mathrm{NH}_{3}\right)_{6}\right]^{2+}\)

1 \(\mathrm{t}_{2 \mathrm{~g}}^{4} \mathrm{e}_{\mathrm{g}}^{2}, \mathrm{t}_{2 \mathrm{~g}}^{6} \mathrm{e}_{\mathrm{g}}^{0}, \mathrm{t}_{2 \mathrm{~g}}^{6} \mathrm{e}_{\mathrm{g}}^{3}\)
2 \(\mathrm{t}_{2 \mathrm{~g}}^{6} \mathrm{e}_{\mathrm{g}}^{0}, \mathrm{t}_{2 \mathrm{~g}}^{6} \mathrm{e}_{\mathrm{g}}^{3}, \mathrm{t}_{2 \mathrm{~g}}^{4} \mathrm{e}_{\mathrm{g}}^{2}\)
3 \(\mathrm{t}_{2 \mathrm{~g}}^{6} \mathrm{e}_{\mathrm{g}}^{3}, \mathrm{t}_{2 \mathrm{~g}}^{4} \mathrm{e}_{\mathrm{g}}^{2}, \mathrm{t}_{2 \mathrm{~g}}^{6} \mathrm{e}_{\mathrm{g}}^{0}\)
4 \({\text{t}}_{{\text{2g}}}^{\text{4}}\,{\text{e}}_{\text{g}}^{\text{2}}{\text{,}}\,{\text{t}}_{{\text{2g}}}^{\text{6}}\,{\text{e}}_{\text{g}}^{\text{3}}{\text{,}}\,{\text{t}}_{{\text{2g}}}^{\text{6}}\,{\text{e}}_{\text{g}}^{\text{0}}\)
CHXII09:COORDINATION COMPOUNDS

321828 If an iron(III) complex with the formula \({\mathrm{\left[\mathrm{Fe}\left(\mathrm{NH}_{3}\right)_{\mathrm{x}}(\mathrm{CN})_{y}\right]^{-}}}\)has no electron in its \({\mathrm{\mathrm{e}_{\mathrm{g}}}}\) orbital, then the value of \({\mathrm{x+y}}\) is

1 4
2 3
3 6
4 5
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CHXII09:COORDINATION COMPOUNDS

321825 In the complex ion \(\mathrm{ML}_{6}^{\mathrm{n+}}, \mathrm{M}^{\mathrm{n}+}\) has five d– electrons and L is a strong field ligand. According to CFT, the magnetic properties of the complex ion corresponds to how many unpaired electrons?

1 0
2 1
3 2
4 3
CHXII09:COORDINATION COMPOUNDS

321826 If \({\text{P > }}{\Delta _{\text{0}}}\) then \({{\rm{d}}^{\rm{4}}}\) is represented as

1 \({\text{t}}_{{\text{2g}}}^{{\text{211}}}{\text{e}}_{\text{g}}^{\text{o}}\)
2 \({\text{t}}_{{\text{2g}}}^{{\text{111}}}{\text{e}}_{\text{g}}^{\text{1}}\)
3 \({\text{t}}_{{\text{2g}}}^{\text{o}}{\text{e}}_{\text{g}}^{{\text{22}}}\)
4 \({\text{t}}_{{\text{2g}}}^{\text{1}}{\text{e}}_{\text{g}}^{{\text{21}}}\)
CHXII09:COORDINATION COMPOUNDS

321827 Give the electronic configuration of the following complexes on the basis of Crystal Field Splitting theory.
\(\left[\mathrm{CoF}_{6}\right]^{3-},\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{4-}\) and \(\left[\mathrm{Cu}\left(\mathrm{NH}_{3}\right)_{6}\right]^{2+}\)

1 \(\mathrm{t}_{2 \mathrm{~g}}^{4} \mathrm{e}_{\mathrm{g}}^{2}, \mathrm{t}_{2 \mathrm{~g}}^{6} \mathrm{e}_{\mathrm{g}}^{0}, \mathrm{t}_{2 \mathrm{~g}}^{6} \mathrm{e}_{\mathrm{g}}^{3}\)
2 \(\mathrm{t}_{2 \mathrm{~g}}^{6} \mathrm{e}_{\mathrm{g}}^{0}, \mathrm{t}_{2 \mathrm{~g}}^{6} \mathrm{e}_{\mathrm{g}}^{3}, \mathrm{t}_{2 \mathrm{~g}}^{4} \mathrm{e}_{\mathrm{g}}^{2}\)
3 \(\mathrm{t}_{2 \mathrm{~g}}^{6} \mathrm{e}_{\mathrm{g}}^{3}, \mathrm{t}_{2 \mathrm{~g}}^{4} \mathrm{e}_{\mathrm{g}}^{2}, \mathrm{t}_{2 \mathrm{~g}}^{6} \mathrm{e}_{\mathrm{g}}^{0}\)
4 \({\text{t}}_{{\text{2g}}}^{\text{4}}\,{\text{e}}_{\text{g}}^{\text{2}}{\text{,}}\,{\text{t}}_{{\text{2g}}}^{\text{6}}\,{\text{e}}_{\text{g}}^{\text{3}}{\text{,}}\,{\text{t}}_{{\text{2g}}}^{\text{6}}\,{\text{e}}_{\text{g}}^{\text{0}}\)
CHXII09:COORDINATION COMPOUNDS

321828 If an iron(III) complex with the formula \({\mathrm{\left[\mathrm{Fe}\left(\mathrm{NH}_{3}\right)_{\mathrm{x}}(\mathrm{CN})_{y}\right]^{-}}}\)has no electron in its \({\mathrm{\mathrm{e}_{\mathrm{g}}}}\) orbital, then the value of \({\mathrm{x+y}}\) is

1 4
2 3
3 6
4 5
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CHXII09:COORDINATION COMPOUNDS

321825 In the complex ion \(\mathrm{ML}_{6}^{\mathrm{n+}}, \mathrm{M}^{\mathrm{n}+}\) has five d– electrons and L is a strong field ligand. According to CFT, the magnetic properties of the complex ion corresponds to how many unpaired electrons?

1 0
2 1
3 2
4 3
CHXII09:COORDINATION COMPOUNDS

321826 If \({\text{P > }}{\Delta _{\text{0}}}\) then \({{\rm{d}}^{\rm{4}}}\) is represented as

1 \({\text{t}}_{{\text{2g}}}^{{\text{211}}}{\text{e}}_{\text{g}}^{\text{o}}\)
2 \({\text{t}}_{{\text{2g}}}^{{\text{111}}}{\text{e}}_{\text{g}}^{\text{1}}\)
3 \({\text{t}}_{{\text{2g}}}^{\text{o}}{\text{e}}_{\text{g}}^{{\text{22}}}\)
4 \({\text{t}}_{{\text{2g}}}^{\text{1}}{\text{e}}_{\text{g}}^{{\text{21}}}\)
CHXII09:COORDINATION COMPOUNDS

321827 Give the electronic configuration of the following complexes on the basis of Crystal Field Splitting theory.
\(\left[\mathrm{CoF}_{6}\right]^{3-},\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{4-}\) and \(\left[\mathrm{Cu}\left(\mathrm{NH}_{3}\right)_{6}\right]^{2+}\)

1 \(\mathrm{t}_{2 \mathrm{~g}}^{4} \mathrm{e}_{\mathrm{g}}^{2}, \mathrm{t}_{2 \mathrm{~g}}^{6} \mathrm{e}_{\mathrm{g}}^{0}, \mathrm{t}_{2 \mathrm{~g}}^{6} \mathrm{e}_{\mathrm{g}}^{3}\)
2 \(\mathrm{t}_{2 \mathrm{~g}}^{6} \mathrm{e}_{\mathrm{g}}^{0}, \mathrm{t}_{2 \mathrm{~g}}^{6} \mathrm{e}_{\mathrm{g}}^{3}, \mathrm{t}_{2 \mathrm{~g}}^{4} \mathrm{e}_{\mathrm{g}}^{2}\)
3 \(\mathrm{t}_{2 \mathrm{~g}}^{6} \mathrm{e}_{\mathrm{g}}^{3}, \mathrm{t}_{2 \mathrm{~g}}^{4} \mathrm{e}_{\mathrm{g}}^{2}, \mathrm{t}_{2 \mathrm{~g}}^{6} \mathrm{e}_{\mathrm{g}}^{0}\)
4 \({\text{t}}_{{\text{2g}}}^{\text{4}}\,{\text{e}}_{\text{g}}^{\text{2}}{\text{,}}\,{\text{t}}_{{\text{2g}}}^{\text{6}}\,{\text{e}}_{\text{g}}^{\text{3}}{\text{,}}\,{\text{t}}_{{\text{2g}}}^{\text{6}}\,{\text{e}}_{\text{g}}^{\text{0}}\)
CHXII09:COORDINATION COMPOUNDS

321828 If an iron(III) complex with the formula \({\mathrm{\left[\mathrm{Fe}\left(\mathrm{NH}_{3}\right)_{\mathrm{x}}(\mathrm{CN})_{y}\right]^{-}}}\)has no electron in its \({\mathrm{\mathrm{e}_{\mathrm{g}}}}\) orbital, then the value of \({\mathrm{x+y}}\) is

1 4
2 3
3 6
4 5
JEE Main - 2024
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CHXII09:COORDINATION COMPOUNDS

321825 In the complex ion \(\mathrm{ML}_{6}^{\mathrm{n+}}, \mathrm{M}^{\mathrm{n}+}\) has five d– electrons and L is a strong field ligand. According to CFT, the magnetic properties of the complex ion corresponds to how many unpaired electrons?

1 0
2 1
3 2
4 3
CHXII09:COORDINATION COMPOUNDS

321826 If \({\text{P > }}{\Delta _{\text{0}}}\) then \({{\rm{d}}^{\rm{4}}}\) is represented as

1 \({\text{t}}_{{\text{2g}}}^{{\text{211}}}{\text{e}}_{\text{g}}^{\text{o}}\)
2 \({\text{t}}_{{\text{2g}}}^{{\text{111}}}{\text{e}}_{\text{g}}^{\text{1}}\)
3 \({\text{t}}_{{\text{2g}}}^{\text{o}}{\text{e}}_{\text{g}}^{{\text{22}}}\)
4 \({\text{t}}_{{\text{2g}}}^{\text{1}}{\text{e}}_{\text{g}}^{{\text{21}}}\)
CHXII09:COORDINATION COMPOUNDS

321827 Give the electronic configuration of the following complexes on the basis of Crystal Field Splitting theory.
\(\left[\mathrm{CoF}_{6}\right]^{3-},\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{4-}\) and \(\left[\mathrm{Cu}\left(\mathrm{NH}_{3}\right)_{6}\right]^{2+}\)

1 \(\mathrm{t}_{2 \mathrm{~g}}^{4} \mathrm{e}_{\mathrm{g}}^{2}, \mathrm{t}_{2 \mathrm{~g}}^{6} \mathrm{e}_{\mathrm{g}}^{0}, \mathrm{t}_{2 \mathrm{~g}}^{6} \mathrm{e}_{\mathrm{g}}^{3}\)
2 \(\mathrm{t}_{2 \mathrm{~g}}^{6} \mathrm{e}_{\mathrm{g}}^{0}, \mathrm{t}_{2 \mathrm{~g}}^{6} \mathrm{e}_{\mathrm{g}}^{3}, \mathrm{t}_{2 \mathrm{~g}}^{4} \mathrm{e}_{\mathrm{g}}^{2}\)
3 \(\mathrm{t}_{2 \mathrm{~g}}^{6} \mathrm{e}_{\mathrm{g}}^{3}, \mathrm{t}_{2 \mathrm{~g}}^{4} \mathrm{e}_{\mathrm{g}}^{2}, \mathrm{t}_{2 \mathrm{~g}}^{6} \mathrm{e}_{\mathrm{g}}^{0}\)
4 \({\text{t}}_{{\text{2g}}}^{\text{4}}\,{\text{e}}_{\text{g}}^{\text{2}}{\text{,}}\,{\text{t}}_{{\text{2g}}}^{\text{6}}\,{\text{e}}_{\text{g}}^{\text{3}}{\text{,}}\,{\text{t}}_{{\text{2g}}}^{\text{6}}\,{\text{e}}_{\text{g}}^{\text{0}}\)
CHXII09:COORDINATION COMPOUNDS

321828 If an iron(III) complex with the formula \({\mathrm{\left[\mathrm{Fe}\left(\mathrm{NH}_{3}\right)_{\mathrm{x}}(\mathrm{CN})_{y}\right]^{-}}}\)has no electron in its \({\mathrm{\mathrm{e}_{\mathrm{g}}}}\) orbital, then the value of \({\mathrm{x+y}}\) is

1 4
2 3
3 6
4 5
JEE Main - 2024
NEET DIGITAL LIBRARY