Ethanoic acid is commonly called acetic acid and belongs to a group of acids called carboxylic acids. 5-8% solution of acetic acid in water is called vinegar and is used widely as a preservative in pickles.
1. Carboxylic acids are
(i) Weak acid
(ii) Strong acid
2. Which of the following can be reactants in esterification reaction ?
(i) Ethanol
(ii) Ethanoic acid
(iii) Propanol
(iv) All of the above
3. Which of the following statement(s) is (are) true about esters ?
(i) Sweet-smelling substances
(ii) Odourless substances
(iii) Used in making perfumes and as flavouring agents
(iv) Both (i) and (3)
4. Ethanoic acid reacts with carbonates and hydrogencarbonates to give
(i) Water
(ii) Salt
(iii) Carbon dioxide
(iv) All of the above
5. State true or false: Ethanoic acid reacts with a base to give salt and water
(i) TRUE
(ii) FALSE
