Faradays’ second law of electrolysis states that when the same quantity of electricity is passed through different electrolytes, the relative…
Solution: Selective discharge is affected by the position of the ions in the electrochemical/activity series. Concentration of the ions in…
Solution: ( 1) It forms trioxocarbonate iv acid when dissolved in water; C02 (g) +H2O (l) → H2CO3 (aq) (2)…
i. H2SO3 = Trioxosulphate iv acid ii. KMnO4 = Potassium tetraoxomanganate vii iii. K2Cr2O7 = Potassium heptaoxochromate vi iv. (NH4)2SO4…
Solution: i. Formula mass is the mass of all atoms/ ions and in formula (of a compound or an ion)…
Uses of oxygen. 1. Respiration of plants and animals 2. Burning of fuels in house hold cooking, motor cars, airplanes,…
1. Heat potassium trixochlorate V in the presence of manganese iv oxide (as a catalyst) in the ratio 4:1 by…
Solution: i. Atomic mass number is the sum of protons and neutrons in an atom e.g. chlorine which has 17…
An atom is the smallest unit/representative/particle of matter made up of electrons, protons and neutrons.
Zn(s) + H2S04(aq) → ZnSO4 (aq) + H2(g)