1.

How many grams of chlorine can be produced by the electrolysis of molten NaCl with a current of 1.00 A for 15 min? Also calculate the number of chlorine molecules liberated.

Answer»


SOLUTION :`Q=900C`
`2CL^(-)toCl_(2)+2E^(-),""2xx96500" C liberate "Cl_(2)=1`mole
`therefore900C` will liberate `Cl_(2)=(1)/(2xx96500)xx900=4.66xx10^(-3)"mole"=(4.66xx10^(-3))xx71g=0.331g`
`=(4.66xx10^(-3))xx6.02xx10^(23)` molecules `=2.80xx10^(21)` molecules.


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