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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 cause of variable oxidation states among transition elements is that

A

They all exist in more than one oxidation state

B

They all form complex compounds

C

The valence electrons in them are found in two different subshells.

D

They all have paired subshells.

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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 most common oxidation state shown by Ist row of transition elements is

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

Transitions elements show generally positive oxidation state due to

The variability of oxidation states of transition elements arises out of:

The element which usually show variable oxidation states is :

Why d block metals show variable oxidation state ?

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

The element that usucally dose NOT show variable oxidation states is :