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QUESTION 39 CH3CO2H is called acetic acid. The name implies that a. It does not react with either acids or bases. O b. It can donate an H+ ion to a base, and forms CH3CO2- c. It can react with acids, but does not react with bases. d. It can accept an H+ ion from a base, and forms CH3CO2H2+ Oe. It can donate an electron to a base, and forms CH3CO2H+

Answer :

CH3CO2H is called acetic acid. The name implies that, the correct option is (b) i.e. It can donate an H+ ion to a base, and forms CH3CO2-.

By changing the autoionization equilibrium in water, base produce solutions with lower hydrogen ion activity than pure water, meaning the water has a pH value greater than 7.0 under normal circumstances. If a soluble base includes and releases OH ions in a quantitative manner, it is referred to as an alkali. Basic substances include metal oxides, hydroxides, and notably alkoxides, as well as conjugate bases of weak acids. Acids have the effect of increasing the hydronium (H3O+) concentration in water, whereas bases have the reverse effect. This is why bases and acids are viewed as chemical opposites. Since OH does react with H+ to generate water, this does contain aqueous hydroxides, making Arrhenius bases a subset of Brnsted bases. Aqueous solutions of ammonia (NH3) or its chemical compounds are examples of other Brnsted bases that receive protons (amines). Despite the fact that these bases lack a hydroxide ion, when they interact with water, the hydroxide ion concentration rises. Additionally, Brnsted bases are present in several non-aqueous solvents, which interact with solvated protons.

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