Question

Zn + CaSO4 No reaction why?

Answer 1

.ca is more reactive

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Answer 2

$Zn + CaSO4$ has no reaction because of the position in the reactivity series.

Explanation:

• Metal in the reactivity series can displace any other metal below it in the series from its compound.

• Consider Zinc as metal A and Calcium as metal B then in the reactivity series Zinc is less reactive than calcium and it cannot displace the metal from the compound calcium carbonate.

• Zinc is unable to replace itself with cacium.
• The reactivity series is also considered an activity series.
• This series refers to the arrangement of the metals in descending order of their reactivity.