Arrange Ca Pb Fe Na Zn Cu And Al In Decreasing Order Of Their Reactivity

(i) Arrange Ca, Pb, Fe, Na, Zn, Cu, and Al in the decreasing order of their reactivity. (ii … of these is most likely to react with…

Answers:

(i) The decreasing order of the given metals is as follows :
[Most reactive] Na, Ca, Al, Zn, Fe, Pb, and Cu [Least reactive]
(ii) (a) Sodium [Na].
(b) Copper [Cu].
(c) Sodium [Na] and calcium [Ca].