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Which of the acids listed below is the strongest?

A. H₂O
B. H₂CO₃
C. HClO₄
D. H₃PO₄

Sagot :

GinnyAnsweridn
Sure! Let's analyze the strength of each of the acids provided:

1. H₂O (Water):
- Water is not considered an acid in the same way other substances on this list are. It can act as an acid (donating a proton) but is extremely weak.

2. H2CO3 (Carbonic Acid):
- Carbonic acid is a weak acid. In aqueous solution, it partially dissociates to form bicarbonate (HCO3^-) and hydrogen ions (H+), but it doesn't dissociate completely.

3. HClO4 (Perchloric Acid):
- Perchloric acid is an extremely strong acid. It completely dissociates in water, releasing hydrogen ions (H+) and perchlorate ions (ClO4^-). This complete dissociation makes it one of the strongest acids known.

4. H3PO4 (Phosphoric Acid):
- Phosphoric acid is a moderately strong acid but far less strong compared to perchloric acid. It partially dissociates in water, leading to the formation of dihydrogen phosphate (H2PO4^-), hydrogen phosphate (HPO4^2-), and phosphate (PO4^3-) ions in a stepwise manner.

Based on the above analysis, Perchloric Acid (HClO4) is the strongest acid among the given options.
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