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Author Question: What is the oxidation half reaction in the following chemical reaction?Cr2O72-(aq) + 6 Cl-(aq) + 14 ... (Read 164 times)

craiczarry

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Question 1

Determine the number of water molecules necessary to balance the reduction half reaction of that occurs in an acidic solution.
◦ 4
◦ 5
◦ 7
◦ 2

Question 2

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)


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


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Marked as best answer by craiczarry on Feb 15, 2020

jomama

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craiczarry

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Reply 2 on: Feb 15, 2020
Thanks for the timely response, appreciate it


mjenn52

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Reply 3 on: Yesterday
:D TYSM

 

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