Chemistry 2000 JAMB Past Questions

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HCL_(aq) + H₂O_(l) H₃O⁺_(aq) + Cl^-_(aq)
In the reaction above, Cl^-_(aq) is the

In which order are the following salts sensitive to light?

The pOH of a solution of 0.25 mol dm^-3 of hydrochloric acid is

MnO\(_{4(aq)}^{-1}\) + 8H\(^+ _{(aq)}\) + Y → Mn\(^{2+} _{(aq)}\) + 4H\(_2\)O\(_{(l)}\)
Y in the equation above represents

(1/2)Zn²⁺_(aq) + e^- → (1/2) Zn_(s)
In the reaction above, calculate the quantity of electricity required to discharge zinc.
[F = 96 500 C mol^-1]