Question

why is tin electroplated on Iron to make cans used for storing food

Answer 1

because it doesn't gets oxidised easily i.e. to prevent corrosion

Answer 2

Tin cans, used for storing food, are made by electroplating tin onto iron. Tin is less reactive than iron. Thus, food does not come into contact with iron and is protected from getting spoilt. ... However, iron tends to corrode and rust.