Question

All of the following can be used to define an acid except

a hydrogen ion donor in a reaction

a substance that increases the hydronium ion concentration of a solution

an electron-pair acceptor in a reaction

a substance that increases the hydroxide ion concentration of a solution

Answer 1

option c @destiny04

Answer 2

i think its option d
which can be used to define an alkali

Answer 3

soory d was in my mind and i typed c

Answer 4

thanks :)