Question

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In the following reaction:

HCl + H2O ⇄ H3O+ + Cl-1

The BASE reactant is …………………… and its conjugated ACID is…………………….




HCl, H3O+1




HCl, Cl-1




H2O H3O+1




HCl

Answer 1

Answer:

Hcl, Cl-1

Explanation:

As you know, a Bronsted - Lowry acid is a proton donor, which means that you can identify a Bronsted - Lowry acid in a reaction by looking at which chemical species lost a proton.

A proton is simply a hydrogen ion,

H+, so the species that has one less proton on the products' side than it does on the ractants' side will be the Bronsted - Lowry acid.

Notice that hydrochloric acid,

HCl, starts with a proton that ends up on a water molecule, which acts as a Bronsted - Lowry base, and forms hydronium ions,

H3O+. The remaining chloride anion,

Cl- , is called the acid's conjugate base because it can theoretically reform the acid by aaccepting a proton.