Which of the following bases have weak conjugate acids? a) C3H5O2- b) NH3 c) NO2- d) NO3-

Answer 1

a) C₃H₅O₂^- : conjugate acid = HC3H5O2 (propionic acid) a weak acid

b) NH₃: conjugate acid = NH₄⁺ (ammonium ion) a weak acid

c) NO₂^-: conjugate acid = HNO₂ (nitrous acid) a weak acid

d) NO₃^-: conjugate acid = HNO₃ (nitric acid) a strong acid