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Question
Complete and state whether the reaction is oxidation or reduction.
\[\ce{Al -}\] .......... \[\ce{-> Al^{3+}}\]
Chemical Equations/Structures
Short Answer
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Solution
\[\ce{Al - 3e- -> Al^{3+}}\]
The neutral aluminum atom loses 3 electrons to form a trivalent positive ion. Since losing an electron is an oxidation reaction, hence this reaction is an oxidation reaction.
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