Giving definition of buffer, explain acidic, basic and neutral buffer, giving suitable examples.
Answers
a solution that resist to change in pH when strong acid or base is added in it
it is of three types 1. acidic buffer 2. basic buffer 3. neutral buffer
Acidic buffer
the type of buffer formed by the combination of weak acid and its salt with strong base
example of acidic buffer is "CH3COOH and CH3COONa
Basic buffer
the type of buffer formed by the combination of weak base and its salt with strong acid
NH4OH and NH4Cl
Neutral buffer
the type of buffer that contain equal concentration of hydrogen and hydroxil ion is called neutral buffer
CH3COONH4