Solution
The name of Al(OH)
3
is aluminum hydroxide.
Explanation:
Al(OH)
3
is an ionic compound. Ionic compounds are named for the ions that are present, and prefixes aren’t used.
The compound Al(OH)
3
contains the aluminum ion (Al
3+
) and the hydroxide ion (OH
−
).
The name of this ionic compound is aluminum hydroxide. Notice that even though there are three hydroxide ions in the formula, the name doesn’t reflect that.