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प्रश्न
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?
उत्तर
\[\ce{X - 2e^- -> X^{2+}}\]
\[\ce{Y + 3e^- -> Y^{3-}}\]
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संबंधित प्रश्न
Write equations for the reactions taking place at the two electrodes (mentioning clearly the name of the electrode) during the electrolysis of Molten lead bromide with inert electrodes
Define the following term:
Electrolysis
Give reason for the following:
A graphite anode is preferred to other inert electrodes during the electrolysis of fused lead bromide.
To carry out the so-called “electrolysis of water”. Sulphuric acid is added to water. How does the addition of sulpuric acid produce a conducting solution?
From the given list :
NaCl, NaOH, H2O (pure), NH4OH, urea, dil.H2SO4, glucose, acetic acid, H2CO3.
Select :
a) Substances which will behave as strong electrolytes.
b) Substances which will behave as weak electrolytes.
c) Substances which are non-elctrolytes.
Define or explain the term: Electrolysis.
Choosing only words from the following list, write down the appropriate words to fill in the blanks (a) to (e) below:
anions, anode, cathode, cations, electrode, electrolyte, nickel, voltameter.
To electroplate an article with nickel requires an (a) ________ which must be a solution containing (b) ________ions. The article to be plated is placed as the (c) _________of the cell in which the plating is carried out. The (d)________ of the cell is made from pure nickel. The ions that are attracted to the negative electrode and discharged are called (e)________.
During the electrolysis of molten lead bromide, which of the following takes place?
Give reason for the following:
Potassium is not extracted by electrolysis of its aqueous salt solution.
Element X is a metal with a valency 2. Element Y is a non-metal with a valency 3.
If the compound formed between X and Y is melted and an electric current passed through the molten compound, the element X will be obtained at the ______ and Y at the ______ of the electrolytic cell. (Provide the missing words).
