Considering the standard reduction chart, the strong reducing agent value is:
Correct answer: B. Large negative values
- A. Small negative values
- B. Large negative values
- C. Small positive values
- D. Large positive values
Explanation
The correct answer is Large negative values. A strong reducing agent has a large negative standard reduction potential. This implies that it readily donates electrons, making it effective in reducing other substances. In contrast, small negative values suggest a lesser tendency to donate electrons, while positive values, whether large or small, indicate a preference for gaining electrons, characteristic of oxidizing agents.
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About Oxidation and Reduction
Oxidation involves loss of electrons, increase in oxidation number or addition of oxygen, while reduction involves electron gain, decrease in oxidation number or removal of oxygen. The topic covers oxidising and reducing agents, oxidation-number changes, redox equations and the distinction between oxidation at the anode and reduction at the cathode.
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