Chemistry

Problem

The conjugate bases of four monoprotic acids are represented below using condensed structural formulas. I. CH

_3

COO

^-

II. C

_6

_5

^-

III. HCOO

^-

IV. CH

_3

_2

^-

Which conjugate base experiences the greatest resonance stabilization? a) II only b) III only c) I only d) I and III only