Formic Acid (HCO₂H) Is a Weak Acid Found in the Venom

Multiple Choice

Formic acid (HCO₂H) is a weak acid found in the venom of bees and ant stings.Which of the following is an accurate statement concerning an aqueous solution of formic acid? HCO₂H(aq) + H₂O(l) H₃O⁺(aq) + HCO₂−(aq) K_a = 1.8 × 10⁻⁴

A) The reaction between formic acid and water is slow, due to the low value for K_a.
B) A formic acid solution predominantly contains undissociated HCO₂H molecules.
C) A formic acid solution predominantly contains H₃O⁺ and HCO₂− _ions.
D) A formic acid solution contains a greater concentration of dissolved ions than it does neutral formic acid molecules.
E) A formic acid solution contains equal amounts of H₃O⁺ and HCO₂H.