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For the four successive transition eleme...

For the four successive transition elements (Cr, Mn, Fe, and Co), the stability of `+2` oxidation state will be there in which of the following order ?
`(At. Nos. Cr = 24, Mn = 25, Fe = 26, Co = 27)`

A

`CrgtMngtCogtFegt`

B

`MngtFegtCrgtCo`

C

`FegtMngtCogtCr`

D

`CogtMngtFegtCr`

Text Solution

Verified by Experts

The correct Answer is:
B
The correct order is
`MngtFegtCrgtCo`
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Knowledge Check

  • Which one of the following complexes? [Atomic numbers, Mn=25, Fe = 26, Co = 27, Ni = 28]

    A
    `[Fe(CN)_(6)]^(4-)`
    B
    `[Mn(CN)_(6)]^(4-)`
    C
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    D
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  • The pair having the same magnetic moment is : [At. No. : Cr = 24 , Mn= 25 , Fe=26 , Co=27]

    A
    `[Mn(H_2 O)_6]^(2+) and [Cr(H_2 O)_6]^(2+)`
    B
    `[Co(Cl_4]^(2-) and [Fe(H_2 O)_6]^(2+)`
    C
    `[Cr(H_2 O)_6]^(2+) and [CoCl_4]^(2-)`
    D
    `[Cr(H_2 O)_6]^(2+) and [Fe(H_2 O)_6]^(2+)`

  • Magnetic moment 2.83 BM is given by which of the following ions? "At. nos. Ti=22, Cr=24, Mn=25,Ni=28"

    A
    `Mn^(2+)`
    B
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    C
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    D
    `Mn^(4+) and O_(2)`

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    The pair having the same magnetic moment is_________. [ At. No. :Cr = 24, Mn =25 , Fe= 26 , Co =27]

    The complex ion which has no ""d"" electrons in the central atom is (at. Cr=24, Mn=25, Fe=26,Co=27)

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