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Author Question: What is the oxidation number change for the chromium atom in the following unbalanced reduction half ... (Read 127 times)

faduma

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on: Feb 15, 2020

Question 1

What is the oxidation number of the oxygen atom in   O22-?
◦ +1
◦ +2
◦ -1
◦ -2

Question 2

What is the oxidation number change for the chromium atom in the following unbalanced reduction half reaction?

Cr2O72-(aq) + H+(aq) → Cr3+(aq) + H2O(l)


◦ -7
◦ -3
◦ +6
◦ +3
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
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Marked as best answer by faduma on Feb 15, 2020

beccamahon

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Reply #1 on: Feb 15, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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faduma

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Reply 2 on: Feb 15, 2020
Wow, this really help

nothere

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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