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How many of the following compounds spli...

How many of the following compounds splitting energy `(Delta)` is greater than pairing energy (P) ?
`(a) Fe(Co)_(5)," "(b) [Co(H_(2)O)_(6)]^(3+)`
`(c ) [Mn(NH_(3))_(6)]^(2+)," "(d) [Ir(H_(2)O)_(6)]^(3+)`
`(e ) Na_(2)[Fe(CN)_(5)NO]," "(f) [Ni(CO)_(4)]`,
`(g) [PtCl_(4)]^(2-)" "(h) [Co(H_(2)O)_(3)F_(3)]`

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The correct Answer is:
7
(a),(b), (d),(e ),(f),(g),(h)
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How many of the following obey's Sidgwick EAN rule ? (a) K_(4)[Fe(CN)_(6)]," "(b) K_(3)[Fe(CN)_(6)] , (c ) Mn_(2)(CO)_(10)," "(d) [Fe(H_(2)O)_(5)NO]SO_(4) , (e ) Na_(2)[Fe(CN)_(5)NO]," "(f) [Co_(2)(CO)_(8)] , (g) [Fe(pi-C_(5)H_(5))_(2)]

Find the total number of complexes / species which are paramagnetic. (a) [Co(NH_(3))_(6)]^(3+)," "(b) [Co(H_(2)O)_(6)]^(3+), (c ) [Cr(NH_(3))_(6)]^(2+)," "(d) [CoF_(6)]^(3-), (e ) K_(3)[PtCl_(3)(C_(2)H_(4))]," "(f) [Mn(NH_(3))_(6)]^(2+), (g) [Fe(NH_(3))_(6)]^(2+)," "(h) NO_(2), (i) ClO_(2)," "(j) [Pt(NH_(3))_(2)Cl_(2)

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Find the number of complexes involving d^(2)sp^(3) hybridisation of the cental metla atom/ion. (a) [Co(Ox)_(3)]^(3-)," "(b) [Mn(CN)_(6)]^(4-), (c ) [Mn(NH_(3))_(6)]^(2+)," "(d) [CoF_(6)]^(3-), (e ) [Co(gly)_(3)]," "(f) [Pt(NH_(3))_(6)]^(4+), (g) [Ni(H_(2)O)_(6)]^(2+)," "(h) [Co(H_(2)O)_(6)]^(3+), (i) [IrCl_(6)]^(3-)

Calculate the EAN of central atom in the following complexes (a) [Cr(CO)_(6)]" "(b) [Fe(CN)_(6)]^(4-)" " (c ) [Fe(CO)_(5)] " " (d) [Co(NH_(3))_(6)]^(3+) (e ) [Ni(CO)_(4) " " (f) [Cu(CN)_(4)]^(3-)" "(g)[Pd(NH_(3))_(6)]^(4+)" " (h) [PtCl_(6)]^(2-)

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