This list of reduction reactions is a helpful tool for predicting how two metals

Question

This list of reduction reactions is a helpful tool for predicting how two metals will interact with one another. Suppose that we are looking for a metal to react in a specific manner with magnesium. Which of the following correctly describes and lists the metal that will achieve our desired goal?

Answers:

A) We want a metal ion that will not cause magnesium to be oxidized spontaneously. We choose silver ion.

B) We want a metal that will cause magnesium ion(Mg2+?) to be reduced spontaneously. We choose calcium metal.

C) We want a metal ion that will be reduced spontaneously by magnesium. We choose sodium ion.

D) We want a metal ion that will not be reduced spontaneously by magnesium. We choose copper ion.

A) We want a metal ion that will not cause magnesium to be oxidized spontaneously. We choose silver ion.

B) We want a metal that will cause magnesium ion(Mg2+?) to be reduced spontaneously. We choose calcium metal.

C) We want a metal ion that will be reduced spontaneously by magnesium. We choose sodium ion.

D) We want a metal ion that will not be reduced spontaneously by magnesium. We choose copper ion.

The Redox Activity Series Ca(aq) 2eCa Na(a)eNa Mg2*(aq) 2e Zn2*(aq) +2eZn Fe2+(aq) + 2e Fe Cu2+(aq) + 2e Cu Ag (aq) eAg O2(9) +4H (aq)+ 4e 2H20 Cl(g) 2e2CI

Explanation / Answer

D) We want a metal ion that will not be reduced spontaneously by magnesium. We choose copper ion.We choose copper ion.

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