Given below is the activity reaction order for an additional five metals: Mn_(me

Question

Given below is the activity reaction order for an additional five metals: Mn_(metal) implies Mn^2+_(aq) + 2e^- Co_(metal) implies Co^2+_(aq) + 2e^- Sn_(metal) implies Sn^2+_(aq) + 2e^- Pb_(metal) implies Pb^2+_(aq) + 2e^- Ag_(metal) implies Ag^+_(aq) + e^- with the most reactive metal at the top, and the least reactive metal at the bottom. For each of the following demonstrations, circle the cation(s) that the metal is (are) expected to react with. Demonstration 1: A piece of load metal is placed in 2 ml of each of the following solutions: Co^2+ Sn^2+ Ag^+ Mn^2+ Demonstration 2: A piece of tin metal is placed in 2 ml of each of the following solutions: Co^2+ Pb^2+ Ag^+ Mn^2+ Demonstration 3: A piece of silver metal is placed in 2 ml of each of the following solutions: Co^2+ Sn^2+ Pb^2+ Mn^2+ Demonstration 4: A piece of cobalt metal is placed in 2 ml of each of the following solutions: Pb^2+ Sn^2+ Ag^+ Mn^2+ Demonstration 5: A piece of manganese metal is placed in 2 ml of each of the following solutions: Co^2+ Sn^2+ Ag^+ Pb^2+

Explanation / Answer

Demonstration 1:

Pb will react with Ag+

Answer: c

Demonstartion 2:

Sn will react with Pb2+ and Ag+

Answer: b,c

Demonstartion 3:

Ag will not react with any

Answer: none

similarly:

Demonstartion 4:

Answer: a,b,c

Demonstartion 5:

Answer: a,b,c,d

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