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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:
Lead bromide undergoes electrolytic dissociation in the molten state but is a non-electrolyte in the solid state.
Complete the sentence by choosing correct word given in bracket.
through a liquid or a solution accompanied by a ___________ (Physical / chemical) change.
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.
Give one example of a substance which contain :
Ions only
Give one example of a substance which contain :
molecules only
Identify the following reactions as either oxidation or reduction : O + 2e- → O-2
When the sample of copper with zinc impurity is to be purified by electrolysis, the appropriate electrodes are:
X - \[\ce{HCl <=> H^{1+} + Cl-}\] (in solution state)
Y - \[\ce{PbBr2 <=> Pb^{2+} + 2Br^{1-}}\] (in molten state)
From the above reaction X or Y, identify the reaction which exhibit:
ionization
