Question

Use the reaction to answer the question.

HCl + H2O → Cl–+ H3O+

Which statement about the reaction is correct?

(1 point)
Responses

H2O is an acid, and Cl– is its conjugate base.
H 2 O is an acid, and Cl – is its conjugate base.

HCl is an acid, and H3O+ is its conjugate base.
HCl is an acid, and H 3 O + is its conjugate base.

H2O is an acid, and H3O+ is its conjugate base.
H 2 O is an acid, and H 3 O + is its conjugate base.

HCl is an acid, and Cl– is its conjugate base.
HCl is an acid, and Cl – is its conjugate base.

Answer 1

In the reaction:

HCl + H2O → Cl⁻ + H3O⁺

HCl donates a proton (H⁺) to H2O. In this context:

- HCl acts as an acid (specifically, it donates a proton).
- H2O acts as a base (specifically, it accepts a proton).

After the reaction:

- Cl⁻ is the conjugate base of HCl (the species that remains after the acid donates a proton).
- H3O⁺ is the conjugate acid that forms from H2O after it accepts a proton.

Therefore, the correct statement about the reaction is:

**HCl is an acid, and Cl⁻ is its conjugate base.**