25 cm³ of 0.02 M KOH neutralized 0.03 g of a monobasic organic acid having the general formula C_nH_{2n + 1} COOH. The molecular formula of the acid is?

(C = 12, H = 1, O = 16)

• A.HCOOH
• B.C₂H₅COOH
• C.CH₃COOH
• D.C₃H₇COOH
• E.