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Give the oxidation states of the central...

Give the oxidation states of the central matal in the following complex compounds , (i)`K_(3)[Fe(CN)_(6)]` (ii) `[PtCl_(4)]^(2-)` (iii) `[Co(en)_(2)Cl_(2)]^(+)` .

Answer

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Determine the oxidation states of central metal ions in the following complex compounds : (i) (a) K_(4)[Fe(CN)_(6)] (b) [Co(NH_(3))_(6)]Cl_(3) (ii) (a) K_(3)[Fe(CN)_(6)] (b) [PtCl_(4)]^(2-) (c ) [CoBr_(2)(CN)_(2)]^(+) (iii) (a) [Pt(NH_(3))_(3)Cl_(3)] ion (b) Na_(4)[Ni(CN)_(4)] (c ) [Zn(H_(2)O)_(3)OH]^(+)

Specify the oxidation numbers of the metals in the following coordination entities : (i) [Co(H_(2)O)(CN)(en)_(2)]^(2+) (ii) [PtCl_(4)]^(2-) (iii) [Cr(NH_(3))_(3)Cl_(3)] (iv) [CoBr_(2)(en)_(2)]^(+) (v) K_(3)[Fe(CN)_(6)]

Knowledge Check

  • The hybridization states of the central atom in the complexes [Fe(CN)_(6)]^(3-),[Fe(CN)_(6)]^(4-) and [Co(NO_(2))_(6)]^(3-) are:

    A
    `d^(2)sp^(3),sp^(3)d^(2) and dsp^(2)` respectively
    B
    `d^(2)sp^(3),sp^(3)d^(2) and sp^(3) d^(2)` respectively
    C
    `d^(2)sp^(3),sp^(3)d^(2) and d^(2)sp^(3)` respectively
    D
    all `d^(2)sp^(3)`

  • The hybridization states of the central atom in the complexes [Fe(CN)_(6)]^(3-),[Fe(CN)_(6)]^(4-) and [Co(NO_(2))_(6)]^(3-) are:

    A
    `d^(2)sp^(3),sp^(3)d^(2) and dsp^(2)` respectively
    B
    `d^(2)sp^(3),sp^(3)d^(2) and sp^(3) d^(2)` respectively
    C
    `d^(2)sp^(3),sp^(3)d^(2) and d^(2)sp^(3)` respectively
    D
    all `d^(2)sp^(3)`

  • In the complex K_(2)Fe[Fe(CN)_(6)] :

    A
    both Fe atoms are in the same oxidation state
    B
    Both Fe atoms are in different oxidation state
    C
    the coordination number of ion is 4
    D
    the complex is a high spin complex

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    Give the oxidation state, d-orbital occupation and coordination number of the central metal ion in the following complexes: i) K_(3)[Co(C_(2)O_(4))_(3)] (ii) (NH_(4))_(2)[CoF_(4)] (iii) cis- [Cr(en)_(2)Cl_(2)]Cl (iv) [Mn(H_(2)O)_(6)]SO_(4)

    Give the oxidation state, d-orbital occuptation and coordination number of central metal ion in the following complexes : [K_(3)[Co(C_(2)O_(4))_(3)] (ii) (NH_(4))_(2)[CoF_(4)] (iii) cis-[Cr(en)_(2)Cl_(2)]Cl (iv) [Mn(H_(2)O)_(6)]SO_(4) .

    Specify the oxidation numbers of metals in the following co-ordination entites : (a) [Co(H_(2)O)(CN)(en_(2))]^(2+) (b) [PtCI_(4)]^(2-) (c) [Cr(NH_(3))_(3)CI_(3)] (D) [CoBr_(2)(en)_(2)]^(+) (e) K_(3)[Fe(CN)_(6)] .

    In the complex K_(2)Fe[Fe(CN)_(6)] :

    The hydridizoation states of the central metal ion in the complexes [Co(NO_(2))_(6)]^(3-) and [Fr(CN)_(6)]^(4-) are

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