Question

Metal x dipped in aq. AlSO4 no rxn occurs but when dipped in aq. FeSO4 d color pale green turns to colorless identify x with reason?

Answer 1

X is the Zinc metal.

Zn + Al2(So4)3 ------> No reaction
Beacuse Zinc is less reactive than Aluminum

Zn + FeSo4 ------> ZnSo4 + Fe
Because Zinc is more reactive than Ferric (Iron)
and results in colorless solution from pale green colour of FeSo4 .


Hope it helps you