Using The Bronsted-Lowry Table

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Presentation transcript:

Using The Bronsted-Lowry Table Chem. 12

Acidic reaction refers to the forward reaction only Basic reactions refers to the reverse reaction only

100% Dissociation  equally strong acids  no reverse reaction

↔  weak acids

How do you compare the relative strength of 2 weak acids. i. e How do you compare the relative strength of 2 weak acids? i.e. Oxalic and phosphoric 2 ways to do it

Increasing acid strength therefore oxalic acid is stronger

Oxalic acid is stronger because it has a larger Ka value

Now lets look at bases.

Increasing strength of bases

Do not act as bases because reverse reaction is not possible

Do not act as acids because reverse reaction is not possible Strong bases

What are the other strong bases you should be aware of What are the other strong bases you should be aware of? By the way, they are not on your Bronsted-Lowry table.

Alkali metal hydroxides Alkali earth metal hydroxides

Knowing how to use your B-L table will make your life easier on test day!