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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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Whelan Whelan
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8 years ago
What is the oxidation half reaction in the following chemical reaction?

Cr2O72-(aq) + 6 Cl-(aq) + 14 H+(aq) → 2 Cr3+(aq) + 3 Cl2(aq) + 7 H2O(l)

A) Cr2O72-(aq) + 14 H+(aq) + 6e- → 2 Cr3+(aq) + 7 H2O(l)
B) Cr2O72-(aq) + 14 H+(aq) → 2 Cr3+(aq) + 7 H2O(l) + 6e-
C) 2 Cl-(aq) → Cl2(aq) + 2e-
D) Cl2(aq) + 2e- → 2 Cl-(aq)
Textbook 
Introductory Chemistry Essentials

Introductory Chemistry Essentials


Edition: 5th
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hbutler2hbutler2
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8 years ago
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Whelan Author
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8 years ago
Smart ... Thanks!
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Tabitha.davis
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2 hours ago
Thank you, thank you, thank you!
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