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MnO(4)^(-) is intense pind colour, thoug...

`MnO_(4)^(-)` is intense pind colour, though `Mn` is in `(+7)` oxidation state. It is due to

A

Oxygen gives colour to it

B

None of the above to it

C

charge transfer when`Mn` gives its electron to oxygen

D

Character transfer when oxygen gives its electron to `Mn` making it `Mn (+ VI)` and hence coloured

Text Solution

Verified by Experts

The correct Answer is:
C
This called ligand to metal charge transfer phenomenon.
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MnO_(4)^(-) is off intense pink colour, though Mn is in (+7) oxidation state, it is due to:

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Knowledge Check

  • MnO_(4)^(-) is of intense pink colour, though Mn is in (+7) oxidation state.It is due to:

    A
    Oxygen gives colour to it
    B
    charge transfer when `Mn` gives its electrons to oxygen
    C
    charge transfer when oxygen its electron to `Mn` making it `Mn(+VI)` hence coloured
    D
    None is correct

  • MnO_(4)^(-) is of intense pink colour, though Mn is in (7+) oxidation state, it is due to :

    A
    Oxygen gives colour to it
    B
    Charge transfer when Mn `(7+)` gives its electron to oxygen and oxidise to Mn `(8+)` temporaily
    C
    Charge transfer when oxygen gives its electron to Mn `(7+)` changing in Mn `(6+)` temporaily
    D
    none is correct explanation

  • MnO_(4)^(-) is intense pint colour, though Mn is (+7) oxidation state, It is due to

    A
    oxygen gives colour to it
    B
    charge transfer when Mn gives its electron to oxygen
    C
    Charge transfer when oxygen gives its electrons
    D
    None of these

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    The stable oxidation states of Mn are

    Transition metals usually from coloured complexes and d-d transitions (t_(2g)hArre_(g)) are responsible for colour as the energy difference between t_(2g) and e_(g) lies in visible region. But all the coloured ions are not dut to d-d transition but charge transfer bands also play important roles. Charge transfer bands may be of two types. (i) ligand to metal (CTLM) " "(ii) metal to ligand (CTML). Charge transfer transition always produces intense colour as compared to d-d transition. MnO_(4)^(-) is dark purple coloured though Mn is in (+VII) oxidation state with 3d^(@) configuration

    Maximum oxidation state of Mn will be in

    The highest oxidation state of Mn is shown by

    The highest oxidation state shown by Mn is

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