Alcohols, Carboxylic Acids and Esters 0.0 / 5 ? ChemistryAlcoholsGCSEAQA Created by: Kate HCreated on: 09-05-14 11:52 What do alcohols and carboxylics react to form? Esters 1 of 15 What is the functional group of alcohols? -OH 2 of 15 What do the first three alcohols all have in common? 1.Dissolve in water to form a neutral solution. 2. React with sodium to produce hydrogen. 3.Are used as fuels and solvents 3 of 15 How do we form ethanoic acid? Ethanol is oxidised, either by chemical oxidising agents or microbial action 4 of 15 Ethanoic acid is the main ingredient in... Vinegar 5 of 15 What is the functional group of the carboxylic acid? -COOH 6 of 15 What must be present with the alchols and carboxylic acid to produce esters? An acid catalyst 7 of 15 Carboxylic acids dissolve in water to produce.... Acidic solutions 8 of 15 Carboxylic acids react with carbonates to produce... CO2 9 of 15 Why are carboxylic acids weak? They don't ionise completely when dissolved in water so there aren't as many H+ ions 10 of 15 Aqueous solutions of weak acids have a higher pH value than the aqueous solutions ... ...of a strong acid with the same concentration 11 of 15 What is the functional group of esters? -COO- 12 of 15 Why are esters suitable perfumes? They are volatile with sweet smells 13 of 15 Give two uses of esters Perfumes and flavourings 14 of 15 Which ester is produced from ethanol and ethanoic acid? Ethyl ethanoate 15 of 15
Comments
No comments have yet been made