The Alkali Metals Are Isolated from Non-Aqueous Systems

question 19

Multiple Choice

The alkali metals are isolated from non-aqueous systems. Why is this necessary?

• A)The electrolysis of aqueous solutions of the alkali metals requires more energy than electrolysis of the molten salts.
• B)The dissolved alkali earth halides are too reactive to be electrolyzed.
• C)The aqueous metal ions are more difficult to reduce than water.
• D)The reduction potentials of the alkali metals are more positive than the reduction potential of water.
• E)The aqueous metal ions react violently with water.