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Find the number of colourless species am...

Find the number of colourless species among the following:
`Sc^(3+),Ti^(4+),V^(3+),Zn^(2+),Mn^(2+),Fe^(3+),Ni^(2+),Cu^(2+),Cr^(3+)`

Text Solution

Verified by Experts

The correct Answer is:
`0003`
`Sc^(3+),Ti^(4+)(d^(0)),Zn^(2+)(d^(10))`.
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Knowledge Check

  • The paramagnetic species among the following is- Na^(+), Zn^(2+), Cu^(+), Fe^(3+)

    A
    `Na^(+)`
    B
    `Zn^(2+)`
    C
    `Cu^(+)`
    D
    `Fe^(3+)`

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    A
    `Cu^(2+)`
    B
    `Cd^(2+)`
    C
    `Cr^(3+)`
    D
    `Co^(3+)`

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    Determine total number of unpaired electrons in following ions Ti^(3+),V^(3+),Cr^(3+),Mn^(3+),Mn^(2+),Fe^(3+),Fe^(2+),Co^(2+),Ni^(2+),Cu^(2+) .

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    Write doen the number of 3d electrons in each of the following ions: Ti^(2+),V^(2+),Cr^(3+),Mn^(2+),Fe^(2+),Fe^(2+),Co^(2+),Ni^(2+) and Cu^(2+) indicate how would you expect the five 3d orbitals to be occupied for these hydrated ions (octahedral).

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    Predict the number of species which will be colourless in aqueous solution, among the following Ti^(3+),V^(3+),Cu^(+),Sc^(3+),Mn^(2+),Fe^(3+),Co^(2+)

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