List the Acids in INCREASING Order of Strength (Weakest to Strongest)

Multiple Choice

List the acids in INCREASING order of strength (weakest to strongest) : nitrous acid (K_a = 4.0 × 10^-4) ; carbonic acid (K_a = 4.4 × 10^-7) ; acetic acid (K_a = 1.7 × 10^-5) ; phosphoric acid (K_a = 7.3 × 10^-3)

A) acetic acid, carbonic acid, nitrous acid, phosphoric acid
B) carbonic acid, acetic acid, nitrous acid, phosphoric acid
C) acetic acid, nitrous acid, carbonic acid, phosphoric acid
D) phosphoric acid, nitrous acid, acetic acid, carbonic acid
E) carbonic acid, phosphoric acid, nitrous acid, acetic acid