Chemistry · Redox Reactions
Based on classical concepts, the addition of an electropositive element constitutes reduction. Which reaction shows the reduction of mercuric chloride (HgCl2) via this mechanism?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1HgCl2 + 2KI → HgI2 + 2KCl
- 2HgCl2 + Hg → Hg2Cl2✓
- 3HgCl2 + SnCl2 → Hg2Cl2 + SnCl4
- 4HgCl2 + H2S → HgS + 2HCl
Correct answer
HgCl2 + Hg → Hg2Cl2
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