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Which of the following ions is acidic?


Question

Which of the following ions is acidic?

Options

A) K+

B) KNO3-

C) S2-

D) H3O+


The correct answer is B.

Explanation:

Acids are ionic compounds ( a compound with a positive or negative charge) that break apart in water to form a hydrogen ion (H+).

For example: NaCl, KNO3, CaBr2, CsClO4


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