Among the compounds with formula C₄H₈O₂ there are carboxylic acids and esters. Some give the silver-mirror test, others release a gas with sodium hydrogen carbonate. 1) Write the structural formulas of all carboxylic acids and esters of composition C₄H₈O₂ and give their IUPAC names. 2) Determine which of them give the silver-mirror reaction and explain why; write the equation for one of them. Show with an equation how acids can be distinguished from esters. 3) Identify the isomer whose hydrolysis gives ethanol; write the equations of its acid and alkaline hydrolysis and explain the difference. No calculations are required: for each part give the reaction equations (with structural formulas), conditions, names of substances and the necessary explanations.
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