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level: Carboxylic Acids

Questions and Answers List

level questions: Carboxylic Acids

QuestionAnswer
what are the carboxylic acidsa family of hydrocarbon compounds containing the carboxyl functional group (COOH)
what do carboxylic acid names end with?oic
where is the functional group written in the molecular formulae of carboxylic acids?at the end
What is the first member of the carboxylic acid seriesmethanoic acid
What is the general formula of carboxylic acids?CnH2n+1COOH
describe the solubility of carboxylic acidsmethanoic, ethanoic, propanoic and butanoic acid are soluble in water, but soluble decreases as length of carbon chain increases
when dissolved in water, what is the pH of carboxylic acids?less than 7 acidic
what happens when a carboxylic acid and base reactthey form a salt and water neutralisation reaction
what salts do carboxylic acids form?-oates propanoic acid - propanoate salt ethanoic acid - ethanoate salt butanoic acid - butanoate salt heptanoic acid - heptanoate salts
how are carboxylic acids made?by the chemical oxidation of alcohols
what is ethanoic acid used to make?vinegar
what can carboxylic acids be used forpreservatives making soaps and medicines vinegar is a dilute solution of ethanoic acid, used in household cleaning products some are naturally occuring lactic acid is found in yoghurts citric acid is found in citrus fruits methanoic acid is found in nettles and ant stings