List of top Chemistry Questions on Acidic and Basic Oxides asked in AP EAMCET

Assertion (A): Carboxylic acids are more acidic than phenols.
Reason (R): Resonance structures of carboxylate ion are equivalent, while resonance structures of phenoxide ion are not equivalent.
The basicity of H$_3$PO$_2$, H$_3$PO$_3$, H$_3$PO$_4$ respectively is