What is the bronsted-lowry definition of an acid? (a) a compound that donates protons (b) a compound that accepts protons (c) a substance that increases hydroxide ion concentration (d)a substance that increases hydronium ion concentration

(A) a compound that donates protons .

Explanation:

According to Bronsted-Lowry Model :

(A) a compound that donates protons .

Bronsted-Lowry defines the compound which (A) donates protons as acid.

According to this concept, an acid is a substance that donates hydrogen ion in a chemical reaction. Hydrogen ion is same as a proton as it has only one proton in its atom. According to him, a base is that substance that accepts hydrogen in a chemical reaction.

In a general sense, all proton donors are acids and all proton acceptors are bases. The higher the number of hydrogen ion donated, the more acidic the substance.

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explanation: