(a) Element X is a metal with a valency 2. Element Y is a non-metal wi

1.	(a) Element X is a metal with a valency 2. Element Y is a non-metal with a valency 3.(i) Write equations to show how X and Y form ions.(ii) If Y is a diatomic gas, write the equation for the direct combination of X and Y to form a compound.(iii) If the compound formed between X and Y is melted and an electric current is passed through the molten compound, the element X will be obtained at the ……… and Y at the ……….. of the electrolytic cell.
Answer» (i) X X²⁺+2e- Y + 3e- Y^3- (ii) 6X+2Y₂ 2X3Y₂ (iii) cathode , anode

(a) Element X is a metal with a valency 2. Element Y is a non-metal with a valency 3.(i) Write equations to show how X and Y form ions.(ii) If Y is a diatomic gas, write the equation for the direct combination of X and Y to form a compound.(iii) If the compound formed between X and Y is melted and an electric current is passed through the molten compound, the element X will be obtained at the ……… and Y at the ……….. of the electrolytic cell.

Answer»

(i) X X²⁺+2e-

Y + 3e- Y^3-

(ii) 6X+2Y₂ 2X3Y₂

(iii) cathode , anode