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Calculate the oxidation number of cobalt...

Calculate the oxidation number of cobalt in the complex, `[Co(NH_(3))_(2)(NO_(2))Cl][Au(CN)_(2)]`.

Text Solution

Verified by Experts

`(x+2xx0-1-1)+(1-2)=0`, or `x=+3`
`therefore` The oxidation number of cobalt = `+3`
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Calculate the oxidation state of the central metal of the complex [Ni(CN)_4]^(2-)

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Knowledge Check

  • The oxidation number of cobalt in K[Co(CO)_(4)] is -

    A
    `+1`
    B
    `+3`
    C
    `-1`
    D
    `-3`

  • What is the oxidation number of the central metal in [Cr(NH_(3))_(4)(NO_(2))Cl]^(+) ? (Atomic No. of Cr = 24)

    A
    0
    B
    `+1`
    C
    `+3`
    D
    `+2`

  • The sum of coordination number and oxidation number of the metal M in the complex [M(en)_(2)(C_(2)O_(4))]Cl is -

    A
    9
    B
    6
    C
    7
    D
    8

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    Write IUPAC name of the following complex : [Co(NH_(3))_(5)(CO_3)]Cl.

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