Chemistry
Grade-10
Easy
Question
Different steps involved in the mechanism of preparation of sodium hydroxide by Electrolysis process are given below. Arrange them in correct sequence
(I). 
(II). 
(III). 
(IV). 
- (I) (II) (IV) (III)
- (II) (III) (I) (IV)
- (III) (II) (IV) (I)
- (IV) (II) (III) (II)
Hint:
Electrolysis of brine produces sodium hydroxide and chlorine.
The correct answer is: (III) (II) (IV) (I)
Electrolysis of brine produces sodium hydroxide and chlorine.
The steps involved are
NaCl(aq) 
Na+(aq) + Cl-(aq)
2Cl- Cl2 + 2e
Na+ + e- Na
2Na + 2H2O 2NaOH + H2
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