Acids/Bases/Alkalis/Oxides

Define Acids

Proton donor (gives H+ hydrogen ion when dissolved in water)

Define strong acids

Acids that dissociate completely when dissolved in water

Define weak acids

Acids that dissociate partially when dissolved in water

Define Bases

Proton accepter (metal oxide/metal hydroxide)

Define soluble base

Substance which gives hydroxide ion (OH-1) when dissolved in water

Insoluble Base

All other oxides/hydroxides

Define Strong Alkalis

Alkalis that dissociate completely when dissolved in water

Define weak alkalis

Alkalis that dissociate partially when dissolved in water

Colour change of Phenolpthalein in acid

pink to Colourless

Colour chnage of Phenolpthalein in base

colourless to pink

Colour change of Methyle Orange in acid

Orange to red

Colour of Methyl Orange in base

Orange to yellow

Colour of Thymolpthalein in acid

Blue to colourless

Colour of Thymolpthalein in base

Colourless to blue

Define Acidic Oxides

React with bases only

Define Basic Oxides

React with Acids only

Define Neutral Oxides

Dont react with both acids and bases

Define Ampheteric Oxides

React with both acids and bases