Three Acids Found in Foods Are Lactic Acid (In Milk

Multiple Choice

Three acids found in foods are lactic acid (in milk products) , oxalic acid (in rhubarb) , and malic acid (in apples) . The pK_a values are LA  3.88, OA  1.23, and MA  3.40. Which list has these acids in order of decreasing acid strength?

A) LA  OA  MA
B) LA  MA  OA
C) OA  MA  LA
D) OA  LA  MA
E) MA  LA  OA