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Discussion :: GATE Chemical

  1. The reaction A(liq) + B(gas) ---> C(liq) + D(gas), is carried out in a reactor followed by a separator as shown below 

    Notation: 
    Molar flow rate of fresh B is FFB 
    Molar flow rate of A is FA 
    Molar flow rate of recycle gas is FRG 
    Mole fraction of B in recycle gas is YRB 
    Molar flow rate of purge gas is FPG 
    Molar flow rate of C is FC 
    Here, FFB = 2 mol/s; FA = 1 mol/s, FB/FA = 5 and A is completely converted.
    I f the ratio of recycle gas to purge gas (FRG/FPG) is 4 then YRB is
    2. A.
    3/8
    B.
    2/5
    C.
    1/2
    D.
    3/4

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    Answer : Option A

    Explanation :

    -NA-

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