Characteristics of Acids Bases and Salts

1 x 10-2

1 x 10-4

1 x 10-7

1 x 10-10

Arrhenius

Soren Sorenson

Lewis

Bohr

neutral

acidic

basic

amphoteric

acid

base

dye

water

an acid is a proton donor

a base is a proton acceptor

all Arrhenius acids are also acids in the Bronsted-lowery theory

all the bases included in Bronsted-lowery theory except oh- are also Arrhenius bases

J.N Bronsted

Svante Arrhenius

T.M lowery

G.N Lewis

8

9

10

11

hydrochloric acid

nitric acid

sulphuric acid

phosphoric acid

greater than 7

less than 7

greater than 6

less than 6

it becomes acidic

it becomes basic

it becomes neutral

it becomes amphoteric