Which of these are oxidation-reduction reactions?
I. 3H₂ + N₂ → 2NH₃
II. Cu₂O + C → 2Cu + CO
III. Fe₂O₃ + 3CO → 2Fe + CO₂
IV. 2K + Br₂ → 2KBr

Name: Which of these are oxidation-reduction reactions? I. 3H 2 + N 2 → 2NH 3 II. Cu 2 O + C → 2Cu + CO III. Fe 2 O 3 + 3CO → 2Fe + CO 2 IV. 2K + Br 2 → 2KBr
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Question

Which of these are oxidation-reduction reactions? I. 3H₂ + N₂ → 2NH₃ II. Cu₂O + C → 2Cu + CO III. Fe₂O₃ + 3CO → 2Fe + CO₂ IV. 2K + Br₂ → 2KBr

Quizplus · Accepted Answer

All the given reactions are oxidation-reduction reactions, as they involve the transfer of electrons between species, changing their oxidation states.

Which of These Are Oxidation-Reduction Reactions