if metal A is placed in an ionic solution containing metal B ions and no reaction occurs, then metal B is most likely:

A.) a halogen
B.) higher on the activity series
C.) not on the activity series
D.) a catalyst

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To determine the answer to this question, we need to understand the factors that affect the occurrence of a reaction between two metals. One important factor is the position of metals in the activity series.

The activity series ranks metals in order of their reactivity. Metals higher on the activity series are more reactive and have a greater tendency to form positive ions in ionic solutions. Metals lower on the activity series are less reactive and are less likely to displace other metals from their compounds.

If metal A, which is placed in an ionic solution containing metal B ions, does not cause a reaction, it suggests that metal B is less reactive than metal A. Since metal B does not react, it indicates that metal A is unable to displace metal B from its ionic compound.

Based on this information, the most likely answer is B) higher on the activity series. Metal B must be higher on the activity series than metal A, which means it is more reactive and less likely to be displaced by metal A.

To answer this question, you would need to consult the activity series of metals. The activity series can be found in chemistry textbooks or online resources. By comparing the positions of both metal A and metal B in the activity series, you can determine the reactivity and predict the likelihood of a reaction occurring between them.

A metal will displace an ion BELOW it in the activity series.

Higher on activity series