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Question

When current is passed through calculated water , the Hydrogen and Oxygen separates . The hydrogen gets accumulated on the negative electrode . Why does it not deposit on positive electrode?

A
Hydrogen is positive charge
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B
Hydrogen is negatively charged
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C
That is because , it is the characteristic of acidulated water
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D
None of the above
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Solution

The correct option is A Hydrogen is positive charge
In a molecule of water, there are two hydrogen atom and one oxygen atom,i.e
H2O and Oxygen is an electronegative element,i.e which require a positive charge. While Hydrogen is an electropositive element, i.e which require negative charge or it has positive charge.
H2O2H++O2 {After passing current it ionize and form ion}.
As hydrogen has positive charge it will seek towards the negative elctrode.

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