How do you identify which oxyacids, and how do you know which one is stronger th

Question

How do you identify which oxyacids, and how do you know which one is stronger than the rest. Also, with a pair like this:

BrO or ClO (choose the strongest base) how do you know which is the strongest answer is (BrO-)

and another question: How do you know which is the stronger base

BrO or BrO2. (answer BrO-)

and: for this one also how do you know which is stronger?

HPO24 or H2PO4. - answer is HPO2-4

and also what are binary acids, how do you identify those, and are then any trends to help you identify these types of acids?

Explanation / Answer

1) BrO- is strongest base

reason : HBrO is weaker acid than HClO . so HBrO conjugate base BrO- is stronger base

2) BrO- stronger base

reason : HBrO2 and HBrO . in between these HBrO2 is stronger acid . so BrO2- is weaker base and BrO- is stronger base

3) more number of H+ ions present in acid is better acid. so H2PO4- is better acid and HPO4-2 is weak acid and HPO4- is strong base

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