Question

what are acids? Give the characteristics of acids?​

Answer 1

An acid is a molecule or ion capable of donating a proton, or, alternatively, capable of forming a covalent bond with an electron pair.

general characteristics of acids are

• pH < 7
• Sour taste (though you should never use this characteristic to identify an acid in the lab)
• Reacts with a metal to form hydrogen gas
• Increases the H+ concentration in water
• Donates H+ ions
• Turns blue litmus indicator red