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Which one of the following ions exhibits...

Which one of the following ions exhibits d-d transition and paramagnetism as well ?

A

`MnO_(4)^(-)`

B

`Cr_(2)O_(7)^(-)`

C

`CrO_(4)^(2-)`

D

`MnO_(4)^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • Which one of the following is paramagnetic -

    A
    `[Ni(H_(2)O)_(6)]^(2+)`
    B
    `[Ni(CO)_(4)]`
    C
    `[Zn(NH_(3))_(4)]^(2+)`
    D
    `[Co(NH_(3))_(6)]^(3+)`

  • Which of the following ions exhibit coordination number 4 -

    A
    `Pt^(2+)`
    B
    `Cr^(3+)`
    C
    `Fe^(3+)`
    D
    `Pt^(4+)`

  • Which one of the followings is the transitivity law ?

    A
    ` x gty Rightarrow x + z gt y + z, AA x, y, z, in Z`
    B
    x +y = y +x , ` AA x, y, in Z`
    C
    Either `x gt y or x = y or x lt y` , ` AA x, y, z in Z`
    D
    `xgt y and y gt z Rightarrow x gt z , AA x,y,z, in Z`

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