Question

help me due tomorrow :,)

Answer 1

#a

• Zinc displaces copper

It means

• Zinc is more reactive than copper

#b

• Zinc+Copper sulphate--> Zinc sulphate+Copper

#c

No reaction because

• Magnesium is more reactive than zinc

#d

Reaction occurs

• Iron is more reactive than copper
• Magnesium is more reactive than iron

Order:-

• Cu<Fe<Zn<Mg