Question

define acidity and bacicity

Answer 1

Any species, which donates a pair of electron, is called Nucleophile. EXAMPLE: NH3, OH- BASICITY. Basicity of acid is defined as the no of ionizable hydrogen (H+) ions present in one molecule of an acid is called basicity.

Answer 2

Acidity is the ability to accept lone pairs whereas basicity is the ability of donating lone pairs. {according to modern concept}
In junior levels, acidity can be said as the ability of donating protons whereas basicity is the ability of accepting protons or donating hydroxide ions.

Please mark as brainliest if you are satisfied with the answer..