Question 18
From the following equations, what is the order of decreasing reactivity of X, Y and Z? Y (s) + X2+(aq) → Y2+(aq) + X(s) X(s) + Z2+(aq) → X2+(aq) + Z(s)
Objective
Question details
- Exam body
- WAEC
- Subject
- Chemistry
- Year
- 1997
- Question no.
- #18
- Type
- Objective
More from this paper
- Q14The loss of molecules of water of crystallization to the atmosphere by some…
- Q15Which of the following ions will migrate to the cathode during electrolysis?
- Q16What quantity of electrons (in mole) is lost when one mole of iron (ll) ions is…
- Q20If the value of ∆H for a reaction is negative, it means that the reaction is
- Q21How much heat will be liberated if 8g of hydrogen burns in excess oxygen…
- Q22The position of equilibrium in a reversible reaction is affected by