Which of the following represents reduction?*C → CON2 → NH3H2 → H2OZn → Zn2+
Question
Which of the following represents reduction?
C → CO
N2 → NH3
H2 → H2O
Zn → Zn2+
Solution
The reduction process involves the gain of electrons. In the given reactions, we can identify the reduction process by looking for the species that gains electrons.
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C → CO: This is an oxidation process because carbon (C) is gaining oxygen. In terms of electrons, carbon is losing electrons, which is the opposite of reduction.
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N2 → NH3: This is a reduction process. Nitrogen (N2) is gaining hydrogen (H), which means it's gaining electrons.
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H2 → H2O: This is also an oxidation process because hydrogen (H2) is gaining oxygen. In terms of electrons, hydrogen is losing electrons, which is the opposite of reduction.
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Zn → Zn2+: This is an oxidation process because zinc (Zn) is losing electrons to become Zn2+.
So, the reaction that represents reduction is N2 → NH3.
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