The strong acid among the given options is HCl (Hydrochloric Acid).

Here's why:

1. H2O (Water) is not an acid, it's a neutral substance with a pH of 7.

2. HF (Hydrofluoric Acid) is a weak acid. It does not completely ionize in solution, which is a characteristic of weak acids.

3. HCl (Hydrochloric Acid) is a strong acid. It completely ionizes in solution, which is a characteristic of strong acids.

4. HC2H3O2 (Acetic Acid) is a weak acid. It does not completely ionize in solution, which is a characteristic of weak acids.

So, the correct answer is HCl.

Question

The strong acid among the given options is HCl (Hydrochloric Acid).

Here's why:

1. H2O (Water) is not an acid, it's a neutral substance with a pH of 7.

2. HF (Hydrofluoric Acid) is a weak acid. It does not completely ionize in solution, which is a characteristic of weak acids.

3. HCl (Hydrochloric Acid) is a strong acid. It completely ionizes in solution, which is a characteristic of strong acids.

4. HC2H3O2 (Acetic Acid) is a weak acid. It does not completely ionize in solution, which is a characteristic of weak acids.

So, the correct answer is HCl.

Knowee AI · Accepted Answer

The strong acid among the given options is HCl (Hydrochloric Acid).

Here's why:

1. H2O (Water) is not an acid, it's a neutral substance with a pH of 7.

2. HF (Hydrofluoric Acid) is a weak acid. It does not completely ionize in solution, which is a characteristic of weak acids.

3. HCl (Hydrochloric Acid) is a strong acid. It completely ionizes in solution, which is a characteristic of strong acids.

4. HC2H3O2 (Acetic Acid) is a weak acid. It does not completely ionize in solution, which is a characteristic of weak acids.

So, the correct answer is HCl.

Which of the following is a strong acid?Group of answer choicesH2OHFHClHC2H3O2