I need help with these two questions Which of the following metals could you add to a solution of cobalt(Il) nitrate to produce elemental cobalt?O ZnO PtSnPbO Hg According to the solubility guidelines given in your lab manual, which of the following substances would besoluble in water:O NisO Ca(OH)2O AglO PbCl,O Co3(POa)2

Answered: Which of the following metals could you…

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter4: Types Of Chemical Reactions And Solution Stoichiometry

Section: Chapter Questions

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I need help with these two questions

Which of the following metals could you add to a solution of cobalt(Il) nitrate to produce elemental cobalt?
O Zn
O Pt
Sn
Pb
O Hg

According to the solubility guidelines given in your lab manual, which of the following substances would be
soluble in water:
O Nis
O Ca(OH)2
O Agl
O PbCl,
O Co3(POa)2

Expert Solution

Step 1

1.To obtain pure Cobalt from Cobalt(III) nitrate, the reduction of of Co takes place, and the element which has lower reduction potential than Co can only reduce Co.

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