During the electrolysis of molten sodium chloride, the time required to produce 0.10 mol of chlorine gas using a current of 3 amperes is

2Cl- -->Cl2 (g) +2e-
                1mol          2x96500C
                 0.1mol       3xt C
             
     by cross multiplying ,we get
               t=0.1x2x96500/3=6433.32 s=6433.32/60=107.22 min
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