NEET-XII-Chemistry

exam-2 year:2016

with Solutions - page 2
  • #162
    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
    (1) 220 minutes
    (2) 330 minutes
    (3) 55 minutes
    (4) 110 minutes
    digAnsr:   4
    Ans : (4)
    Sol.    +22Cl Cl g 2e
    = ï‚´
    E
    W it
    96500
    ï‚´ = ï‚´ ï‚´
    35.5
    0.1 71 3 t(sec)
    96500
    t (s) = 6433.33 sec
    t(min) = 107.22 min ï‚» 110 min.