Carboxylic acids Flashcards
(41 cards)
Formula for Carbonyl
R-COOH
Formula for acyl group
RCO- w/ hydroxyl attached
Nucleophilic substitution reaction
Carboxylic Acids
In this synthesis, oxidation of primary alcohols used __
Carboxylic acid; K2Cr2O7 and KMnO4
Oxidation of methanol metabolized into _____ through ________ further metabolized into ______ through ________
acetyldehyde; CYP450 enzyme or alcohol dehydrogenase; acetic acid - aldehyde dehydrogenase
Prevents accumulation of the toxic acetyldehyde metabolite
Oxidation of Ethanol
Acetic acid in Reaction w/ Water and Indicator
Blue-Red Litmus ; pink soln.
Stearic acid in Reaction w/ Water and Indicator
Blue-red; orange soln.
reaction: release of proton/stability of conjugated base
Reaction w/ Water and Indicator
Reaction w/ Water and Indicator is detected through __
Ph measurement ( Ph indicator/paper)
Acetic Acid in Reaction with NaOH
soluble; cc soln
Stearic Acid in Reaction with NaOH
insoluble; cc w/ white layer
Reaction w/ strong bases
Water soluble salts (Neutralization) - Reaction with NaOH
Acetic Acid in Reaction w/ Na2CO3
positive (Effervescence) ; no change after heating
Reaction w/ weak bases
Water-soluble salt + CO2 - Reaction w/ Na2CO3
function: differentiate Carboxylic acid from other weak acids
Reaction w/ Na2CO3
Acetic acid in Esterification Reaction
Pear-like odor
Benzoic acid in Esterification Reaction
Nutty-like Odor
Reaction: alcohol reacts w/ carboxylic acid thru acid catalyst
Fischer Esterification - Esterification Reaction
Fruity-like odor
Ester
Acetic acid in Reaction w/ Neutral FeCl3
Turbid orange soln w/ reddish brown ppt
Tartaric acid in Reaction w/ Neutral FeCl3
Turbid orange soln w/ reddish brown ppt
Positive Result: Reaction w/ Neutral FeCl3
Reddish brown/ brick red ppt
Reagent: Reaction w/ Neutral FeCl3
Neutral FeCl3