Problem: Which of the following reagents would oxidize Ag to Ag+, but not Au to Au3+?a) Cob) Co2+c) Cad) Ca2+e) Br2f) Br-

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Metal

Notes

Lithium (Li+)

Can displace Hydrogen from liquid water, steam, and acids.

Potassium (K+)

Barium (Ba2+)

Strontium (Sr2+)

Calcium (Ca2+)

Sodium (Na+)

Magnesium (Mg2+)

Can displace Hydrogen from steam and acids.

Aluminum (Al3+)

Zinc (Zn2+)

Chromium (Cr2+, Cr3+)

Iron (Fe2+, Fe3+)

Cadmium (Cd2+)

Can displace Hydrogen from acids.

Cobalt (Co2+)

Nickel (Ni2+)

Tin (Sn2+)

Lead (Pb2+)

Hydrogen


Antimony (Sb3+)

Arsenic (As3+, As5+)

Bismuth (Bi3+)

Copper (Cu+, Cu2+)

Mercury (Hg22+, Hg2+)

Silver (Ag+)

Palladium (Pd3+)

Platinum (Pt2+, Pt3+)

Gold (Au+, Au3+)


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Problem Details

Which of the following reagents would oxidize Ag to Ag+, but not Au to Au3+?

a) Co

b) Co2+

c) Ca

d) Ca2+

e) Br2

f) Br-

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