My unknown for this lab was Mercury (Hg). Im having trouble finding the 3 net eq

Question

My unknown for this lab was Mercury (Hg). Im having trouble finding the 3 net equations for this lab.

I think it might be:

Hg2 + HCL > HgCl2 + H

Hg2 + CrO4 > Hg2O +Cr

Hg2Cl2 + 2NH3 > 2HgNH2Cl +H2

Is this right?

GROUP IANALYSIS To a few drops of Group I known or unknown, add 6 M HCI with stirring until it appears that precipitation is complete. Centrifuge; wash the precipitate STEP1 Add a few mL distilled water to the test tube containing the precipitate Place the tube in a boiling water bath. Heat, with stirring, for at least one minute. Centrifuge quickly and separate. Repeat this step, adding the second supernatant liquid to the first from this step STEP 2 To the decantate from Step 2, add a few drops of 0.2 M K,CrO. A thick yellow precipitate confirms Pb2 STEP 3 To the precipitate from Step 2, add 15 M NH, dropwise with stirring. A black or dark gray precipitate is the positive test for Hg2 saving the centrifugage for Step 5. STEP4 2+ Centrifuge, To the centrifugate from Step 4, add 6 MHNO, dropwise until the soluti is clearly acidic (test with litmus). A white precipitate is the positive tes STEP5 for Ag 7 bive basic

Explanation / Answer

Hg2Cl2(s)Hg(liq) + Hg2+(aq) + 2 Cl–(aq)

Hg2+(aq) + NH3(aq) + Cl–(aq) + H2O(liq)HgClNH2(s) + H3O+(aq)

Hg2Cl2(s) + 2 NH3(aq)HgClNH2(s) + Hg(0)(s) + NH4Cl(aq)

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