Diethylacetal can be detected by gas chromatography. How does this impurity arise in fermentation?

What method of separation would you use to isolate compound B from an ether solution containing a mixture of the two compounds below? OH A B Extract with base, isolate the aqueous layer, neutralize with acid, filter the precipitate and dry Extract with acid, isolate the aqueous layer, neutralize with base, filter the precipitate and dry Extract with base, isolate the organic layer, dry with magnesium sulfate, and evaporate the solvent Extract with acid, isolate the organic layer, dry with magnesium sulfate, and evaporate the solvent Extract with base, isolate the organic layer, neutralize with acid, filter the precipitate and dry Extract with acid, isolate the organic layer, neutralize with base, filter the precipitate and dry

According to the label, the commercial glass cleaner Windex contains 8 ingredients; however, upon GC analysis only 7 compounds could be identified. Sodium dodecylbenzene sulfonate could not be located in the chromatogram.  Why might this be the case?      A) The sodium dodecylbenzene sulfonate evaporated before analysis could take place     B) The sodium dodecylbenzene sulfonate has a very high boiling point     C) The sodium dodecylbenzene sulfonate elutes at the same exact time as another component of the mixture     Answers A & B     Answers A & C     Answers B & C     Answers A, B, & C

What is different about steam distillation