In Which Form Will Carboxylic Acid, RCOOH, Be Present in an Aqueous

Multiple Choice

In which form will carboxylic acid, RCOOH, be present in an aqueous solution with pH of the solution equal to the pKa of the acid?

A) primarily as RCOOH(aq)
B) primarily as RCOO⁻ (aq)
C) equal amounts of RCOOH(aq) and RCOO⁻ (aq)
D) neither RCOOH(aq) nor RCOO⁻ (aq)