Questions
Aqueous NaCl solution is electrolyzed using platinum electrodes. What is the product formed at cathode ?
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a
Na
b
H2
c
O2
d
Cl2
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Correct option is B
2NaCl⇌2Na++2Cl-; At anode : 2Cl-→Cl2+2e ; At cathode : 2H2O+2e→H2+2OH-; Left over in the cell : 2Na++2OH-→2NaOH ;Similar Questions
Molality of Sodium chloride at 373 K is nearly 6.15m. Its solubility at 273K is ‘x’ g/100g of water. Value of ‘x’ is
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