Reactivity Series: Finding and Ordering Reactivity of Metals

The video tutorial explains how to determine and order the reactivity of metals. It begins by defining reactivity through the tendency of metals like potassium and copper to form positive ions. The tutorial then demonstrates how to rank metals based on their reactions with water and acids, using examples such as lithium, sodium, and magnesium. A reactivity series is constructed, showing potassium as the most reactive and copper as the least. The video concludes with a summary and a preview of displacement reactions in the next video.

What is the relationship between a metal's reactivity and its ability to form ions?

• Reactivity is unrelated to ion formation.

• Reactivity is inversely related to ion formation.

• Reactivity is only related to the formation of negative ions.

• Reactivity is directly related to the tendency to form positive ions.

Which metal is the most reactive when reacting with water?

• Copper

• Lithium

• Sodium

• Potassium

In the reaction with acids, which metal shows no reaction?

• Sodium

• Zinc

• Copper

• Magnesium

Which metal is more reactive according to the reactivity series: lithium or iron?

• Neither is reactive

• Both are equally reactive

• Iron

• Lithium

Between sodium and magnesium, which metal has a greater tendency to form positive ions?

• Magnesium

• Sodium

• Both have the same tendency

• Neither forms positive ions