For two acids $A$ and $B$,the values of $pK_{a1} = 1.2$ and $pK_{a2} = 2.8$ are given. Which of the following is correct?
- A$A$ and $B$ are equally acidic.
- B$A$ is stronger than $B$.
- C$B$ is stronger than $A$.
- DNone of these.
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