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प्रश्न
Fill in the blank :
Hydrogen and metallic ions are ____________ because they ____________ electrons.
उत्तर
Hydrogen and metallic ions are electropositive because they loose electrons.
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संबंधित प्रश्न
Define the following term:
Electrolysis
State the electrode reaction at the anode during electrolysis of:
sodium chloride solution.
Give reason for the following:
In the electrolysis of acidified water, dilute sulphuric acid is preferred to dilute nitric acid for acidification.
Write down the word or phrase from the bracket that will correctly fill in the blank in the following sentence:
Pure water consists entirely of ________________ (ions/ molecules).
Write down the word or phrase from the bracket that will correctly fill in the blank in the following sentence:
We can expect that pure water ________________ (will / will not) normally conduct electricity.
How electrolysis can be used in extraction of aluminium? Why aluminium cannot be reduced by conventional reducing agents?
Choose the correct answer from the option given below:
Which among the following cations will discharge with ease at cathode?
If an electrolyte is described as a 'strong electrolyte' what does this mean?
Identify the following reactions as either oxidation or reduction : Fe+3 + e- → Fe+2
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:
electrolytic dissociation
