Question

Which one of the following can be classified as a Bronsted base ?

• A. $NO_3^-$
• B. $H_3O^+$
• C. $CH_3COOH$
• D. $NH_4^+$

Answer 1

Answer: (A)

$NO_3^-$

Answer 2

Those compound which accept $H ^{+}$is called Bronsted base
$NO _{3}^{-}$accept $H ^{+}$and form $HNO _{3}$. So it is a Bronsted base.