Yes, some acids and bases can be diprotic, meaning they can donate or accept two protons (H+ ions) per molecule. For example:
- Sulfuric acid (H2SO4) is a diprotic acid because it can donate two protons: H2SO4 → H+ + HSO4- → H+ + SO4^2-.
- Carbonic acid (H2CO3) is also a diprotic acid because it can donate two protons: H2CO3 → H+ + HCO3- → H+ + CO3^2-.
On the other hand, some bases can be diprotic as well:
- Calcium hydroxide (Ca(OH)2) is a diprotic base because it can accept two protons: Ca(OH)2 + 2H+ → Ca^2+ + 2H2O.
- Aluminum hydroxide (Al(OH)3) is also a diprotic base because it can accept two protons: Al(OH)3 + 2H+ → Al^3+ + 3H2O.
It's important to note that not all acids and bases are diprotic. Many acids and bases are monoprotic, meaning they can donate or accept only one proton per molecule.
can acids and base be diprotic
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