Find out the oxidation number of Al in Al2O3, step by step explanation
chemistry
Share
Find out the oxidation number of Al in Al2O3, step by step explanation
chemistry
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
The rule used here is that the algebraic sum of the oxidation numbers of all the atoms a molecule is zero.
Al
2
O
3
2× ( oxidation number of Al)+3× ( Oxidation number of O ) = 0
2× ( Oxidation number of Al) +3(−2)=0
2× ( oxidation number of Al) +6
∴ Oxidation number of Al =+3