Question

A clean aluminium foil was placed in an aqueous

solution of zinc sulphate. When the aluminium

foil was taken out of the zinc sulphate solution

after 15 minutes, its surface was found to be

coated with a silvery grey deposit. From the

above observation it can be concluded that:

(a) Aluminium is more reactive than zinc

(b) Zinc is more reactive than aluminium

(c) Zinc and aluminium both are equally reactive

(d) Zinc and aluminium both are non-r​

Answer 1

Answer:

a) Aluminium is more reactive than Zinc

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Step-by-step explanation:

As per the metal reactivity series (refer to the photo), we can confirm the above statement.  

Thus, Alumninum undergoes a simple displacement reaction with Zinc Sulphate, as described by this equation:

2 Al + 3 ZnSO4 → Al2(SO4)3 + 3 Zn