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Aluminium exhibits +3 oxidation state. A...

Aluminium exhibits +3 oxidation state. As we move down the group, +1 oxidation state gets more stable.
This is a consequence of

A

increaseing size of the atom

B

inert pair effect

C

electron deficient nature

D

`p pi - p pi` bonding

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The correct Answer is:
B
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NCERT FINGERTIPS ENGLISH-THE P-BLOCK ELEMENTS-Assertion And Reason
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  4. Assertion:- The heavier P-block elements form storng pi- bonds. Rea...

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  5. Assertion : Boron forms only covalent compounds. , Reason : Boron ha...

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  6. Why is the atomic radius of gallium smaller than that of aluminium?

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