Which species is reduced in the reaction CH₂O(g) + O₂(g) → 2HCOOH(g)?

Name: Which species is reduced in the reaction CH 2 O(g) + O 2 (g) → 2HCOOH(g)?
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Question

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The reactants in the left side of the equation are CH₂O(g) and O₂(g). The product in the right side of equation is 2HCOOH(g). In the reaction, the molecule O₂(g) is reduced because it gains electrons and its oxidation state decreases from 0 to -2 in the formation of HCOOH(g) which has an oxidation state of -1.

Which Species Is Reduced in the Reaction CH2O(g) + O2(g)

Which Species Is Reduced in the Reaction CH₂O(g) + O₂(g)