Question

question 1 of 10
which of the following is an example of a bronsted-lowry acid?
a. nh₄⁺
b. nh₃
c. bf₃
d. f⁻

Explanation:

A Brønsted - Lowry acid is a proton (\(H^+\)) donor.

• For \(NH_4^+\), it can donate a proton (\(NH_4^+

ightarrow NH_3 + H^+\)).

• \(NH_3\) is a Brønsted - Lowry base as it can accept a proton (\(NH_3+H^+

ightarrow NH_4^+\)).

• \(BF_3\) is a Lewis acid (accepts electron pairs) but not a Brønsted - Lowry acid as it has no protons to donate.
• \(F^-\) is a Brønsted - Lowry base as it can accept a proton (\(F^-+H^+

ightarrow HF\)).

Answer:

A. \(NH_4^+\)