Recall that theactivity seriesgives us therelative reactivities of metals to oxidation:metals higher in the activity series are more reactive to oxidation and vice-versa.

You are watching: Which of these metals will be oxidized by the ions of cobalt?

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 these metals will be oxidized by the ions of aluminum?

A) magnesium

B) iron

C) chromium

D) nickel

E) zinc


Learn this topic by watchingActivity Series Concept Videos
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Frequently Asked Questions


What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Activity Series concept. You can view video lessons to learn Activity Series. Or if you need more Activity Series practice, you can also practice Activity Series practice problems.


What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Shankar's class at RUTGERS.


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