Question

Choose the correct option and explain:

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

(A) Hydrogen is positive charge a
(B) hydrogen is negatively charged
(C) That is because; it is the characteristic of acidulated water
(D) None of these above​

Answer 1

ANSWER

Hydrogen is positive charge

SOLUTION

In a molecule of water, there are two hydrogen atom and one oxygen atom,i.e

 $H_2O \rightarrow$ 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. 

$H_2O \rightarrow 2H^{+} +O^{+2}$

 {After passing current it ionize and form ion}.

 As hydrogen has positive charge it will seek towards the negative elctrode.

Answer 2

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(A) Hydrogen is positive charge a

Opposite charged ends attract to each other. In $H_{2}O,$ the hydrogen is positive charged, therefore it is attracted to negatively charged electrodes, whereas Oxygen being negatively charged ion, gets attracted to positive electrode.