Chemistry Review

REACTION MECHANISMSSIDE NOTE: BREATHALYZER REACTION1. Oxidation – lose electronOHR C HH[Ox][Red]ORCH[Ox][Red]ORCOH1 Alcohol Aldehyde Carboxylic AcidOHH 3 C CH 2[K 2 Cr 2 O 7 ]Cr 3+OH 3 CCH[K 2 Cr 2 O 7 ]Cr 3+OH 3 CCOHEthanol Ethanal Ethanoic acidMeasure concentration by spectrophotometryREACTION MECHANISMS1. Oxidation – lose electronREACTION MECHANISMS1. Oxidation – lose electronOHR C R’H[Ox][Red]ORCR’2 Alcohol KetoneOHR C R’R’’[Ox]3 Alcohol No ReactionREACTION MECHANISMSREACTION MECHANISMS1. Oxidation reactions found in:• Metabolism• Formation of heart disease LDL oxidation• Cancer Oxidation of DNA can initiate cancer• Aging Oxidation can damage tissues & cause wrinkles2. Reduction – gain electrons• Hydrogenation reactionsROCOH[H]ROCH[H]ROHC HHCarboxylic AcidAldehyde1 Alcohol10