What is the conjugate acid of ClO4-?

1 Answer
Slangus
Nov 12, 2015

Here's how you go about acid/base chemistry

Explanation:

The Bronsted-Lowry definition of an acid is a proton donator and a base is a proton acceptor. A proton is synonymous to a #H^+# ion, so acid/ base chemistry is all about the #H^+#.

We can observe that the ion you were given, #ClO_4^_# has a one negative charge. meaning it has the capacity to accept on #H^+#.

Therefore, its conjugate acid is #HClO_4#. Notice the neutral charge and the presence of the #H^+#. That's the giveaway you're looking for.

Hope that helps!

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