321821
\(\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right] \mathrm{Cl}_{3}\) (at. no. of \(\mathrm{Cr}=24\) ) has a magnetic moment of 3.83 B.M. The correct distribution of \(3 \mathrm{~d}\)-electrons in the Chromium of the complex is
\(\mathrm{H}_{2} \mathrm{O}\) is a weak ligand \({\text{CFSE = ( - 0}}{\text{.4x + 0}}{\text{.6y)}}{\Delta _0}\) where \(\mathrm{x}\) and \(\mathrm{y}\) are electrons present in \({{\text{t}}_{{\text{2g}}}}\,{\text{and}}\,\,{{\text{e}}_{\text{g}}}\) orbitals. For \(\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}\) complex ion \({\text{F}}{{\text{e}}^{{\text{3 + }}}}\left( {{\text{3}}{{\text{d}}^{\text{5}}}} \right){\text{ = t}}_{{\text{2g}}}^{\text{3}}{\text{e}}_{\text{g}}^{\text{2}}{\text{ = - 0}}.{\text{4}} \times {\text{3 + 0}}{\text{.6}} \times {\text{2 = 0}}\)
CHXII09:COORDINATION COMPOUNDS
321823
What is the correct electronic configuration of the central atom in \(\mathrm{K}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]\) based on crystal field theory?
1 \(t_{2 g}^{4} e_{g}^{2}\)
2 \(t_{2 g}^{6} e_{g}^{0}\)
3 \(e^{3} t_{2}^{3}\)
4 \(e^{4} t_{2}^{2}\)
Explanation:
\({{\text{K}}_{\text{4}}}\left[ {{\text{Fe(CN}}{{\text{)}}_{\text{6}}}} \right]\) Fe ground state : \({\text{[Ar]3}}{{\text{d}}^{\text{6}}}{\text{4}}{{\text{s}}^{\text{2}}}\) \({\text{F}}{{\text{e}}^{{\text{2 + }}}}{\text{:3}}{{\text{d}}^{\text{6}}}{\text{4}}{{\text{s}}^{\text{0}}}\)
NEET - 2019
CHXII09:COORDINATION COMPOUNDS
321824
In which of the following octahedral complexes of Co (at. no. 27), will the magnitude of \(\Delta_{0}\) be the highest?
NEET Test Series from KOTA - 10 Papers In MS WORD
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CHXII09:COORDINATION COMPOUNDS
321821
\(\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right] \mathrm{Cl}_{3}\) (at. no. of \(\mathrm{Cr}=24\) ) has a magnetic moment of 3.83 B.M. The correct distribution of \(3 \mathrm{~d}\)-electrons in the Chromium of the complex is
\(\mathrm{H}_{2} \mathrm{O}\) is a weak ligand \({\text{CFSE = ( - 0}}{\text{.4x + 0}}{\text{.6y)}}{\Delta _0}\) where \(\mathrm{x}\) and \(\mathrm{y}\) are electrons present in \({{\text{t}}_{{\text{2g}}}}\,{\text{and}}\,\,{{\text{e}}_{\text{g}}}\) orbitals. For \(\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}\) complex ion \({\text{F}}{{\text{e}}^{{\text{3 + }}}}\left( {{\text{3}}{{\text{d}}^{\text{5}}}} \right){\text{ = t}}_{{\text{2g}}}^{\text{3}}{\text{e}}_{\text{g}}^{\text{2}}{\text{ = - 0}}.{\text{4}} \times {\text{3 + 0}}{\text{.6}} \times {\text{2 = 0}}\)
CHXII09:COORDINATION COMPOUNDS
321823
What is the correct electronic configuration of the central atom in \(\mathrm{K}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]\) based on crystal field theory?
1 \(t_{2 g}^{4} e_{g}^{2}\)
2 \(t_{2 g}^{6} e_{g}^{0}\)
3 \(e^{3} t_{2}^{3}\)
4 \(e^{4} t_{2}^{2}\)
Explanation:
\({{\text{K}}_{\text{4}}}\left[ {{\text{Fe(CN}}{{\text{)}}_{\text{6}}}} \right]\) Fe ground state : \({\text{[Ar]3}}{{\text{d}}^{\text{6}}}{\text{4}}{{\text{s}}^{\text{2}}}\) \({\text{F}}{{\text{e}}^{{\text{2 + }}}}{\text{:3}}{{\text{d}}^{\text{6}}}{\text{4}}{{\text{s}}^{\text{0}}}\)
NEET - 2019
CHXII09:COORDINATION COMPOUNDS
321824
In which of the following octahedral complexes of Co (at. no. 27), will the magnitude of \(\Delta_{0}\) be the highest?
321821
\(\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right] \mathrm{Cl}_{3}\) (at. no. of \(\mathrm{Cr}=24\) ) has a magnetic moment of 3.83 B.M. The correct distribution of \(3 \mathrm{~d}\)-electrons in the Chromium of the complex is
\(\mathrm{H}_{2} \mathrm{O}\) is a weak ligand \({\text{CFSE = ( - 0}}{\text{.4x + 0}}{\text{.6y)}}{\Delta _0}\) where \(\mathrm{x}\) and \(\mathrm{y}\) are electrons present in \({{\text{t}}_{{\text{2g}}}}\,{\text{and}}\,\,{{\text{e}}_{\text{g}}}\) orbitals. For \(\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}\) complex ion \({\text{F}}{{\text{e}}^{{\text{3 + }}}}\left( {{\text{3}}{{\text{d}}^{\text{5}}}} \right){\text{ = t}}_{{\text{2g}}}^{\text{3}}{\text{e}}_{\text{g}}^{\text{2}}{\text{ = - 0}}.{\text{4}} \times {\text{3 + 0}}{\text{.6}} \times {\text{2 = 0}}\)
CHXII09:COORDINATION COMPOUNDS
321823
What is the correct electronic configuration of the central atom in \(\mathrm{K}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]\) based on crystal field theory?
1 \(t_{2 g}^{4} e_{g}^{2}\)
2 \(t_{2 g}^{6} e_{g}^{0}\)
3 \(e^{3} t_{2}^{3}\)
4 \(e^{4} t_{2}^{2}\)
Explanation:
\({{\text{K}}_{\text{4}}}\left[ {{\text{Fe(CN}}{{\text{)}}_{\text{6}}}} \right]\) Fe ground state : \({\text{[Ar]3}}{{\text{d}}^{\text{6}}}{\text{4}}{{\text{s}}^{\text{2}}}\) \({\text{F}}{{\text{e}}^{{\text{2 + }}}}{\text{:3}}{{\text{d}}^{\text{6}}}{\text{4}}{{\text{s}}^{\text{0}}}\)
NEET - 2019
CHXII09:COORDINATION COMPOUNDS
321824
In which of the following octahedral complexes of Co (at. no. 27), will the magnitude of \(\Delta_{0}\) be the highest?
321821
\(\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right] \mathrm{Cl}_{3}\) (at. no. of \(\mathrm{Cr}=24\) ) has a magnetic moment of 3.83 B.M. The correct distribution of \(3 \mathrm{~d}\)-electrons in the Chromium of the complex is
\(\mathrm{H}_{2} \mathrm{O}\) is a weak ligand \({\text{CFSE = ( - 0}}{\text{.4x + 0}}{\text{.6y)}}{\Delta _0}\) where \(\mathrm{x}\) and \(\mathrm{y}\) are electrons present in \({{\text{t}}_{{\text{2g}}}}\,{\text{and}}\,\,{{\text{e}}_{\text{g}}}\) orbitals. For \(\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}\) complex ion \({\text{F}}{{\text{e}}^{{\text{3 + }}}}\left( {{\text{3}}{{\text{d}}^{\text{5}}}} \right){\text{ = t}}_{{\text{2g}}}^{\text{3}}{\text{e}}_{\text{g}}^{\text{2}}{\text{ = - 0}}.{\text{4}} \times {\text{3 + 0}}{\text{.6}} \times {\text{2 = 0}}\)
CHXII09:COORDINATION COMPOUNDS
321823
What is the correct electronic configuration of the central atom in \(\mathrm{K}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]\) based on crystal field theory?
1 \(t_{2 g}^{4} e_{g}^{2}\)
2 \(t_{2 g}^{6} e_{g}^{0}\)
3 \(e^{3} t_{2}^{3}\)
4 \(e^{4} t_{2}^{2}\)
Explanation:
\({{\text{K}}_{\text{4}}}\left[ {{\text{Fe(CN}}{{\text{)}}_{\text{6}}}} \right]\) Fe ground state : \({\text{[Ar]3}}{{\text{d}}^{\text{6}}}{\text{4}}{{\text{s}}^{\text{2}}}\) \({\text{F}}{{\text{e}}^{{\text{2 + }}}}{\text{:3}}{{\text{d}}^{\text{6}}}{\text{4}}{{\text{s}}^{\text{0}}}\)
NEET - 2019
CHXII09:COORDINATION COMPOUNDS
321824
In which of the following octahedral complexes of Co (at. no. 27), will the magnitude of \(\Delta_{0}\) be the highest?