Kindly explain this reaction:

Dear student,

Water contains hydrogen and oxygen, so with the help of electricity hydrogen and oxygen from water molecules can be extracted out.

$T h e r e a c t i o n i s a s f o l l o w s - 2 H_{2} O_{(l)} \overset{e l e c t r i c i t y}{\to} 2 H_{2 (g)} + O_{2 (g)} A t c a t h o d e r e d u c t i o n t a k e s p l a c e, a n d r e d u c t i o n i s t h e g a i n o f e l e c t r o n . C a t h o d e : 4 H^{+} + 4 e^{-} \to 2 H_{2 (g)} A t a n o d e o x i d a t i o n t a k e s p l a c e a n d o x i d a t i o n i s t h e l o s s o f e l e c t r o n A n o d e : 4 O H \to 2 H_{2} O + O_{2 (g)} B o t h c a t h o d e a n d a n o d e c o m b i n e t o f o r m e l e c t r o l y t i c c e l l . T h i s w h o l e p r o c e s s i s c a l l e d a s e l e c t r o l y s i s o f w a t e r w h e r e h y d r o g e n g a s i s r e l e a s e d o u t f r o m c a t h o d e a n d o x y g e n g a s i s r e l e a s e d o u t f r o m a n o d e .$
Regards

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