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Given the equation representing a reaction: H2CO3 + NH3 → NH4+ + HCO3– According to one acid-base theory, the compound NH3 acts as a base because it

1. accepts a hydrogen ion
2.donates a hydrogen ion
3.accepts a hydroxide ion
4.donates a hydroxide ion

Respuesta :

JavierCollante
answer is 1. this is what bases do, they take (accept) hydrogen ions. 

Answer: The correct answer is Option 1.

Explanation:

According to Bronsted Lowry conjugate acid-base theory, an acid is defined as a substance which donates hydrogen ion and base is defined as a substance which accepts hydrogen ion.

In the given equation:

[tex]H_2CO_3+NH_3\rightarrow NH4^++HCO_3^-[/tex]

[tex]NH_3[/tex] is accepting a hydrogen ion and is forming [tex]NH_4^+[/tex], therefore it is considered as a base.

[tex]H_2CO_3[/tex] is donating a hydrogen ion and is forming [tex]HCO_3^-[/tex], therefore it is considered as an acid.

Hence, the correct answer is Option 1.

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