Question

Match the followings
Column I : Species
Column II : Characteristic

Answer 1

$HS{O}^{⊝}$ can act as a Bronsted acid as well as aBronsted base.
$B{F}_3$ is a Lewis acid.
$N{H}_3$ is a Lewis base and Bronsted base.
$\stackrel{⊝}{O}H$ is a Lewis base and Bronsted base.