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Al is usually found in +3 oxidation state. In contrast thallium exhibit +1 and +3 oxidation states this is due to___?

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By Expert Faculty of Sri Chaitanya
a
Lattice effect
b
Lanthanide contraction
c
Inert pair effect
d
Diagonal relationship
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detailed solution

Correct option is C

Not participation of the outer most s orbital electrons down the group leads to the formation +1 oxidation states.


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