Chemistry
Choose the correct word which refers to the process of electrolysis from A to C, to match the description 1 to 3.
A : Oxidation B : Cathode C : An electrolyte
(1) Conducts electricity in aqueous or in molten state.
(2) Loss of electron takes place at anode.
(3) A reducing electrode
Related Questions
Give one relevant observation for each of the following reactions.
(a) Zinc carbonate is heated.
(b) Excess of ammonia is passed through an aqueous solution of lead nitrate.
(c) Sodium hydrogen carbonate is added to nitric acid.
The equation,
4NH3 + 5O2 ⟶ 4NO + 6H2O
represents the catalytic oxidation of ammonia. If 100 cm3 of ammonia is used, calculate the volume of oxygen required to oxidise the ammonia completely.
Define.
(a) Electronaffinity
(b) Electronegativity
X [2, 6] and Y [2, 8, 8, 1] are two elements.
Using this information complete the following:
(a) …………… is the metallic element.
(b) Ionisation energy of X is …………… than Y.
(c) …………… is the reducing agent.