ans

Asked by raj99mak | 19th Jul, 2020, 11:27: AM

Expert Answer:

The arrangement of metals in a vertical column in the order of decreasing reactivities is called reactivity series of metals.
 
The most reactive metals are placed at the top and least reactive metals are placed at the bottom of the reactivity series.
 
The reactivity series is:
 

So, Order will be- Mg>Al>Zn>Fe

Answered by Ravi | 20th Jul, 2020, 07:02: PM