Q. Which among the following species can act as both acid and base as per Bronsted theory?

 284  163 NTA AbhyasNTA Abhyas 2022 Report Error

Solution:

According to Bronsted - Lowry concept , a Bronsted acid is a substance Which can donate a proton to other substance and a Bronsted base is a substance which can accept a proton from any other substance.
( can accept and donate a proton