Here are the essential concepts you must grasp in order to answer the question correctly.
Oxidation and Reduction
Oxidation refers to the loss of electrons by an atom or ion, while reduction is the gain of electrons. In redox reactions, one species is oxidized and another is reduced. Understanding these processes is crucial for determining which element is more easily oxidized, as it involves comparing their tendencies to lose electrons.
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Oxidation and Reduction Reactions
Standard Electrode Potentials
Standard electrode potentials (E°) provide a quantitative measure of the tendency of a species to be reduced. A more positive E° value indicates a greater tendency to gain electrons (be reduced), while a more negative value suggests a greater tendency to lose electrons (be oxidized). Comparing the E° values of Ti and Zn helps identify which element is more easily oxidized.
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Reactivity Series of Metals
The reactivity series is a list of metals arranged in order of decreasing reactivity. Metals higher in the series are more easily oxidized and react more vigorously with acids and other substances. By understanding where Ti and Zn fall in this series, one can predict their relative ease of oxidation.
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