Prisijunkite
WAEC - Chemistry (1997 - No. 18)
From the following equations, what is the order of decreasing reactivity of X, Y and Z? Y
(s)
+ X
2+
(aq)
→ Y
2+
(aq)
+ X
(s)
X
(s)
+ Z
2+
(aq)
→ X
2+
(aq)
+ Z
(s)
X>Y>Z
Y > X > Z
Z > Y > X
Y > Z > X
X > Z > Y
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