Asked by brian

what is the galvanic cell for the redox reaction between sodium dichromate and mercury(I) nitrate in an acidic solution.
Answered by DrBob222
For starters, I would balance the reaction between
Na2Cr2O7 + HgNO3 ==>
Answered by brian
is it a double replacement reaction?
2NaNO3 + Hg2Cr2O7
Answered by DrBob222
No. Hg^+1 (which by the way I wrote incorrectly as HgNO3 and it should have been Hg2(NO3)2) is oxidized to Hg^+2 and Cr2O7^-2 is reduced to Cr^+3. That's why they call it a redox equation; there is reduction and oxidation taking place.
Answered by brian
Thank you Dr. Bob. with that information I figured out my question.
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