Identify the most likely reaction product(s) in the monobromination of 2-pentanone by bromine in the presen dark. a. 1-Bromo-2-pentanone and 3-bromo-2-pentanone b. 1-Bromo-2-pentanone, 3-bromo-2-pentanone, and 4-bromo-2-pentanone c. 1-Bromo-2-pentanone, 3-bromo-2-pentanone, 4-bromo-2-pentanone, and 5-bromo-2-pentanone d. 3-Bromo-2-pentanone 1-Bromo-2-pentanone