Question

To study the reaction of the metals Zn, Fe, Cu and Al with the solutions of salts ZnSo4, FeSo4, CuSo4, Al(SO4) 3 and to arrange these metals in the decreasing order of their reactivity

Answer 1

Al > Zn > Fe > Cu.

Aluminum is highly reactive metal because it has less valence electrons in outermost shell while copper is least reactive because it has more valence electrons.

Answer 2

Answer:

figure for this question fortjis answer