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

Option (A) is the correct answer.

Explanation:

According to Bronsted-Lowry, the species which release or donate protons are known as an acid.

For example,    

Therefore, it can be seen that HCl dissociates to give ions. Hence, it is an acid.

Thus, we can conclude that out of the given options, a compound that donates protons is the Bronsted-Lowry definition of an acid.

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b

explanation:

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