Upon catalytic hydrogenation, a compound with the formula C_10 H_14 absorbs 2 moles of hydrogen (H_2). The original compound could have: a. one ring and two double bonds. b. two rings and two double bonds. c. two double bonds and a triple bond. d. three rings and a double bond. e. one ring, one double bond and one triple bond. f. more than one of these. Which alcohol would you expect to be the most easily dehydrated? The most specific term use to designate the relationship of (Z)-(4S)-1, 2-dibromo-3- (bromomethyl)-4-chloropent-2-ene and trans-(4R)-1, 2-dibromo-3-(bromomethyl)-4-chloropent-2-ene is: a. conformational isomers. b. constitutional isomers. c. diastereomers. d. enantiomers. e. same molecule.