C2-8 Reactions of group 1

Group 1 metals react in very similar ways. The diagram shows the reaction of the first three elements in the group with water. How will the next element in the group react with water?

• The same

• More vigorously

• Less vigorously

• No trend to observe

Group 1 metals react readily in air. Which element in the air are they reacting with? (Give the name and not the formula).

Group 1 metals react readily in moist air. What name is given to this reaction?

• Boiling

• Reduction

• Corrosion

• Tarnishing

Group 1 metals react readily with the oxygen in moist air. What are they stored in to prevent this reaction from happening?

• Under Oil

• Vacuum packs

• Sealed contained

• In Water

When group 1 metals react with water a gas is produced. Give the chemical formula of this gas.

Sodium metal reacts with cold water according to the equation shown. The correct order for the state symbols for the reaction is...

• (s) (l) (g) (aq)

• (aq) (g) (l) (s)

• (s) (l) (aq) (g)

• (s) (aq) (l) (g)

Group 1 metals react in very similar ways. The diagram shows the reaction of the first three elements in the group with water. If universal indicator is added to the water what colour will it turn during the reaction?

• Green

• Red

• Blue

• Violet

Group 1 metals react vigorously when heated with chlorine gas to form crystalline white metal salts (chlorides). Which of the following metals from group 1 will have the fastest reaction with the chlorine gas?

• Rb

• Li

• Na

• K

Group 1 metals react vigorously when heated with chlorine gas as shown in the equations in the diagram. The correct order for the state symbols, for any of the reactions, is...

• (s) (l) (g)

• (g) (l) (s)

• (s) (g) (aq)

• (s) (g) (s)

Group 1 metals react readily when heated with chlorine gas. Give the chemical formula of the product of the reaction when sodium is the group 1 metal used.

• sodium oxide

• potassium chloride

• carbon dioxide

• sodium chloride