JAMB Past Questions and Answers - Page 1472

During the electrolysis of dilute tetraoxosulphate (VI) acid solution 0.05 mole of electrons were passed what volume of gas was produced at the anode? (Gaseous molar volume = 22. 4dm³ at s.t.p)

The reaction represented by the equation C_(s) + H₂O_(l) → CO_(s) + H _2(s) was carried out at 27_oC if the enthalpy change was + 4500 J and the entropy change was + 12J, what was the free energy change? (∆G = ∆H - T∆S)

The complex salt formed when aluminium dissolves in sodium hydroxide solution is

When copper (ll) chloride solution is treated with excess aqueous ammonia, a deep blue solution results This is due to the presence of

Aqueous sodium trioxocarbonate (IV) solution is alkaline because