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The maximum co - valancy of aluminium is...

The maximum co - valancy of aluminium is '6' where as that of boron is '4' because

A

'Al' is more electropositive than boron

B

'Al' can form a cation where as boron cannot

C

'Al' contains vacant 'd' orbitals in it's valance shell where as horon does not

D

'Al' is a metal where as boron is a non - metal

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Verified by Experts

The correct Answer is:
C
.Al. has vacant .d. orbital but boron has absence of .d. orbital.
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  11. Aluminium becomes passive in

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  17. An inorganic compound (A) shows the following reactions. It is white s...

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