Question

what's the n factor of Al2O3??
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Answer 1

Answer: The n-factor of $Al_2O_3$ is 6.

Explanation:

The n-factor of an ionic compound is determined by the amount of electrons that are exchanged to form a compound.

Aluminium oxide is formed by the combination of aluminium and oxygen atom. The chemical equation for the formation of this compound is:

$4Al+3O_2\rightarrow 2Al_2O_3$

The half reactions for this reaction is:

Oxidation half reaction:  $Al\rightarrow Al^{3+}+3e^-$         (   ×  2)

Reduction half reaction:  $O+2e^-\rightarrow O^{2-}$      (  ×  3)

Total number of electrons exchanged during this process is 6.

Thus, the n-factor of $Al_2O_3$ is 6.

Answer 2

Answer:

n factor or valency factor is 6