Question

What is a reactivity series .describe an activity to develop a reactivity series

Answer 1

Answer: the arrangement of metal in a vertical column in the order of decreasing reactivities is called reactivity series of metal.
reactivity series of metal:
potassium k( most reactive metal)
sodium Na
calcium Ca
magnesium Mg
aluminium Al
zinc zn
iron Fe
lead pb
hydrogen h
copper cu
mercury Hg
silver Ag
gold Au

Answer 2

Reactivity series is a group of elements which are arranged in the order of highly reactive to low reactive