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The reason for greater range of oxidatio...

The reason for greater range of oxidation states in actinoids is attributed to -

A

actinoid contraction

B

5f, 6d and 7s levels having comparable energies

C

4f and 5f levels being close in energies

D

the radioactive nature of actinoids

Text Solution

Verified by Experts

The correct Answer is:
B
It is due to the low energy difference between the 5f, 6d and 7s - subshell that actinoids form a wide range of oxidation states.
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Knowledge Check

  • Least number of oxidation states is shown by -

    A
    Np (Neptunium)
    B
    Th (Thorium)
    C
    U (Uranium)
    D
    Re (Rhenium)

  • Fe shows an oxidation state of +1 in

    A
    `Fe(CO)_5`
    B
    `[Fe(H_2O)_5NO]SO_4`
    C
    `FE_4[Fe(CN)_6]_3`
    D
    `FeCl_4^(-)`

  • Oxidation state of iron in haemoglobin is-

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

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