Arrange the sequence of reactions that occur in the conversion of pyruvate to acetyl-coa in the correct order: the anion of the hydroxyethyl group attacks one sulfur of the disulfide in lipoic acid, and the resulting intermediate is oxidized to an acetyl thioester. fad is reduced to fadh2, while the two thiols of reduced lipoic acid are oxidized back to a disulfide. fadh2 is oxidized by nad+ producing nadh. nucleophilic addition of thiamine pyrophosphate to pyruvate to yield hydroxyethyl-tpp and co2. the acyl thioester derived from lipoic acid

the correct answer is b. a strong acid completely dissociates to its ions when dissolved in water. completely dissociates to and ions. a is incorrect because does not fully ionize to and ions and some remain as the compound . c and d are incorrect because, and do not fall into the category of bronsted lowry acids. a bronsted lowry acid is a proton donor and since both molecules do not have a proton to donate they are not bronsted lowry acids. likewise,   if we use the lewis acid definition, they cannot be acids. a lewis acid is an electron pair acceptor. both and have a complete octet so can not accept any electrons which disqualifies them as acids.