Multiple Choice
Write a balanced net ionic equation for the reaction below in an acidic solution. Cr2O72-(aq) + Ni(s) → Cr3+(aq) + Ni2+(aq)
A) Cr2O72-(aq) + 3 Ni(s) + 14 H+(aq) → 2 Cr3+(aq) + 3 Ni2+(aq) + 7 H2O( )
B) Cr2O72-(aq) + Ni(s) + 14 H+(aq) → 2 Cr3+(aq) + Ni2+(aq) + 7 H2O( )
C) Cr2O72-(aq) + 3 Ni(s) → 2 Cr3+(aq) + 3 Ni2+(aq) + O2-(aq)
D) Cr2O72-(aq) + Ni(s) + 14 H+(aq) → 2 Cr3+(aq) + Ni2+(aq) + 7 H2O( )
E) Cr2O72-(aq) + 3 Ni(s) + 7 H+(aq) → 2 Cr3+(aq) + 3 Ni2+(aq) + 7 OH-(aq)
Correct Answer:

Verified
Correct Answer:
Verified
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