Find out the oxidation number of Al in Al 2 O 3
Answers
Answered by
1
Answer:
2
Explanation:
Al has 3
O has 2
Cross multiply
Al2O3
Answered by
3
Answer:
Oxidation number of Al in Al2O3
Each oxygen has -2 oxidation number
So 3 oxygens have -6 oxidation number cumulatively.
In a neutral compound, the sum of oxidation numbers of all elements = 0
So 2 Al atoms have +6 oxidation number.
1 Al atom therefore has + 3 oxidation number.
Oxidation Number of Al is +3 in Al2O3
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