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Trnsition elements show variable oxidati...

Trnsition elements show variable oxidation states. This is due to their valence electrons which are found in two different orbitals i.e., ns and (n-1) d. Up to (+II) oxidation state ns electrons are involved, but in higher oxidation states, electrons of (n-1) d sub-shells are also involved.
The most common oxidation state shown by Ist row of transition elements is

A

`( + II)`

B

`(+III)`

C

`(+IV)`

D

all of these

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Trnsition elements show variable oxidation states. This is due to their valence electrons which are found in two different orbitals i.e., ns and (n-1) d. Up to (+II) oxidation state ns electrons are involved, but in higher oxidation states, electrons of (n-1) d sub-shells are also involved. the cause of variable oxidation states among transition elements is that

Trnsition elements show variable oxidation states. This is due to their valence electrons which are found in two different orbitals i.e., ns and (n-1) d. Up to (+II) oxidation state ns electrons are involved, but in higher oxidation states, electrons of (n-1) d sub-shells are also involved. The transition metal which shows the highest oxidation state is

The transition elements (d-blocks elements) show variable oxidation states because

For Sc (2 1), if both 3d and 4s electrons in involved in bonding, the oxidation state will be

The highest oxidation state is shown by transition element s with electronic configuration

The higher oxidation states of transition elements are found to be in the combination with A and B, which are:

The most common oxidation states of 3d series elements

Knowledge Check

  • Trnsition elements show variable oxidation states. This is due to their valence electrons which are found in two different orbitals i.e., ns and (n-1) d. Up to (+II) oxidation state ns electrons are involved, but in higher oxidation states, electrons of (n-1) d sub-shells are also involved. the cause of variable oxidation states among transition elements is that

    A
    they all exist in more than one oxidation states among transition elements is that
    B
    they all form complex compounds
    C
    the valence electrons in them are found in two different sub-shells
    D
    they all have paired sub-shells.

  • Trnsition elements show variable oxidation states. This is due to their valence electrons which are found in two different orbitals i.e., ns and (n-1) d. Up to (+II) oxidation state ns electrons are involved, but in higher oxidation states, electrons of (n-1) d sub-shells are also involved. The transition metal which shows the highest oxidation state is

    A
    Mn
    B
    Pt
    C
    Fe
    D
    Ni.

  • The transition elements (d-blocks elements) show variable oxidation states because

    A
    Of the presence of ns ,np and nd electrons
    B
    The energy difference between (n-1)d and ns electrons is very less , thus (n-1)d electrons also behave like valence electrons
    C
    Of the presence of ns and nd orbitals
    D
    Of the presence of electrons in np and nd orbitals