The empirical formula of an acid is \(\mathrm{CH_2O_2}\); the proba...

The empirical formula of an acid is \(\mathrm{CH_2O_2}\); the probable molecular formula of acid may be:

A. \(\mathrm{C_3H_6O_4}\)

B. \(\mathrm{CH_2O}\)

C. \(\mathrm{CH_2O_2}\)

D. \(\mathrm{C_2H_4O_2}\)