Advertisements
Advertisements
Question
Element X is a metal with a valency 2. Element Y is a non-metal with a valency 3.
Write equations to show how X and Y form ions?
Solution
\[\ce{X - 2e^- -> X^{2+}}\]
\[\ce{Y + 3e^- -> Y^{3-}}\]
APPEARS IN
RELATED QUESTIONS
Write the equation taking place at the anode
What is the difference between:
Electrolytic dissociation and ionisation.
Give one example of a substance which contain :
Ions only
Give one example of a substance which contain :
molecules only
If an electrolyte is described as a 'strong electrolyte' what does this mean?
Write down the word or phrase from the given options that will correctly fill in the blanks in the following sentence:
We can expect that pure water _______ normally conduct electricity.
Write the equations of the reactions which take place at the cathode and anode when acidified water is electrolyzed.
Identify the following reactions as either oxidation or reduction : O + 2e- → O-2
In the electrolysis method of boron extraction the cathode is made of ______.
108 g of silver (molar mass 108 g mol-1) is deposited at cathode from AgNO3 (aq) solution by a certain quantity of electricity. The volume (in L) of oxygen gas produced at 273 K and 1 bar pressure from water by the same quantity of electricity is ______.