09. COORDINATION COMPOUNDS
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COORDINATION COMPOUNDS

28866 Which one of the following is an outer orbital complex and exhibits paramagnetic behaviour?

1 \([Ni(NH_3)_6]^{2+}\)
2 \([Zn(NH_3)_6]^{2+}\)
3 \([Cr(NH_3)_6]^{3+}\)
4 \([Co(NH_3)_6]^{3+}\)
COORDINATION COMPOUNDS

28867 Red precipitate is obtained when ethanol solution of dimethylglyoxime is added to ammoniacal \(Ni(II).\) Which of the following statements is not true?

1 Red complex has a square planar geometry.
2 Complex has symmetrical \(H-\)bonding.
3 Red complex has a tetrahedral geometry.
4 Dimethylglyoxime functions as bidentate ligand.
COORDINATION COMPOUNDS

28868 Low spin complex of \(d^6-\) cation in an octahedral field will have the following energy(\(\Delta _o =\) crystal field splitting energy in an octahedral field, \(P =\) Electron pairing energy)

1 \(\frac{-12}{5} \Delta _o + P\)
2 \(\frac{-12}{5} \Delta _o + 3P\)
3 \(\frac{-2}{5} \Delta _o + 2P\)
4 \(\frac{-2}{5} \Delta _o + P\)
COORDINATION COMPOUNDS

28869 Of the following complex ions, which is diamagnetic in nature?

1 \([NiCl_4]^{2-}\)
2 \([Ni(CN)_4]^{2-}\)
3 \([CuCl_4]^{2-}\)
4 \([CoF_6]^{3-}\)
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COORDINATION COMPOUNDS

28866 Which one of the following is an outer orbital complex and exhibits paramagnetic behaviour?

1 \([Ni(NH_3)_6]^{2+}\)
2 \([Zn(NH_3)_6]^{2+}\)
3 \([Cr(NH_3)_6]^{3+}\)
4 \([Co(NH_3)_6]^{3+}\)
COORDINATION COMPOUNDS

28867 Red precipitate is obtained when ethanol solution of dimethylglyoxime is added to ammoniacal \(Ni(II).\) Which of the following statements is not true?

1 Red complex has a square planar geometry.
2 Complex has symmetrical \(H-\)bonding.
3 Red complex has a tetrahedral geometry.
4 Dimethylglyoxime functions as bidentate ligand.
COORDINATION COMPOUNDS

28868 Low spin complex of \(d^6-\) cation in an octahedral field will have the following energy(\(\Delta _o =\) crystal field splitting energy in an octahedral field, \(P =\) Electron pairing energy)

1 \(\frac{-12}{5} \Delta _o + P\)
2 \(\frac{-12}{5} \Delta _o + 3P\)
3 \(\frac{-2}{5} \Delta _o + 2P\)
4 \(\frac{-2}{5} \Delta _o + P\)
COORDINATION COMPOUNDS

28869 Of the following complex ions, which is diamagnetic in nature?

1 \([NiCl_4]^{2-}\)
2 \([Ni(CN)_4]^{2-}\)
3 \([CuCl_4]^{2-}\)
4 \([CoF_6]^{3-}\)
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COORDINATION COMPOUNDS

28866 Which one of the following is an outer orbital complex and exhibits paramagnetic behaviour?

1 \([Ni(NH_3)_6]^{2+}\)
2 \([Zn(NH_3)_6]^{2+}\)
3 \([Cr(NH_3)_6]^{3+}\)
4 \([Co(NH_3)_6]^{3+}\)
COORDINATION COMPOUNDS

28867 Red precipitate is obtained when ethanol solution of dimethylglyoxime is added to ammoniacal \(Ni(II).\) Which of the following statements is not true?

1 Red complex has a square planar geometry.
2 Complex has symmetrical \(H-\)bonding.
3 Red complex has a tetrahedral geometry.
4 Dimethylglyoxime functions as bidentate ligand.
COORDINATION COMPOUNDS

28868 Low spin complex of \(d^6-\) cation in an octahedral field will have the following energy(\(\Delta _o =\) crystal field splitting energy in an octahedral field, \(P =\) Electron pairing energy)

1 \(\frac{-12}{5} \Delta _o + P\)
2 \(\frac{-12}{5} \Delta _o + 3P\)
3 \(\frac{-2}{5} \Delta _o + 2P\)
4 \(\frac{-2}{5} \Delta _o + P\)
COORDINATION COMPOUNDS

28869 Of the following complex ions, which is diamagnetic in nature?

1 \([NiCl_4]^{2-}\)
2 \([Ni(CN)_4]^{2-}\)
3 \([CuCl_4]^{2-}\)
4 \([CoF_6]^{3-}\)
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COORDINATION COMPOUNDS

28866 Which one of the following is an outer orbital complex and exhibits paramagnetic behaviour?

1 \([Ni(NH_3)_6]^{2+}\)
2 \([Zn(NH_3)_6]^{2+}\)
3 \([Cr(NH_3)_6]^{3+}\)
4 \([Co(NH_3)_6]^{3+}\)
COORDINATION COMPOUNDS

28867 Red precipitate is obtained when ethanol solution of dimethylglyoxime is added to ammoniacal \(Ni(II).\) Which of the following statements is not true?

1 Red complex has a square planar geometry.
2 Complex has symmetrical \(H-\)bonding.
3 Red complex has a tetrahedral geometry.
4 Dimethylglyoxime functions as bidentate ligand.
COORDINATION COMPOUNDS

28868 Low spin complex of \(d^6-\) cation in an octahedral field will have the following energy(\(\Delta _o =\) crystal field splitting energy in an octahedral field, \(P =\) Electron pairing energy)

1 \(\frac{-12}{5} \Delta _o + P\)
2 \(\frac{-12}{5} \Delta _o + 3P\)
3 \(\frac{-2}{5} \Delta _o + 2P\)
4 \(\frac{-2}{5} \Delta _o + P\)
COORDINATION COMPOUNDS

28869 Of the following complex ions, which is diamagnetic in nature?

1 \([NiCl_4]^{2-}\)
2 \([Ni(CN)_4]^{2-}\)
3 \([CuCl_4]^{2-}\)
4 \([CoF_6]^{3-}\)
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