Concept explainers
Interpretation:
The statement is to be critiqued:
A substance whose chemical formula contains a hydroxyl group must be considered to be a base.
Concept introduction:
A substance is considered as a base if it gives hydroxyl ions in an aqueous solution.
Answer to Problem 104A
All substances whose chemical formula contains a hydroxyl group can’t be considered as base.
Only those substances which give hydroxyl ions in aqueous solution are bases.
Explanation of Solution
Let’s take an example:
Both contain hydroxyl groups but
Because both ionize as:
Thus, those substances which give hydroxyl ions in aqueous solution are bases.
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Chemistry: Matter and Change
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