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Distribution coefficient of solute X between ether and water is 2.1 g of solute X is in 100 g water. If X is extracted into ether by 100 mL of it, then
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Correct option is C
If Wn= solute extracted into solvent II by n extractions w = solute initially in solvent IV1= volume of solvent V2= volume of solvent II to be used in n parts C2C1=K (Partition coefficient) then Wn=W−wnV1nV1+KV2n (I) If n=1,V1=100mL,V2=100mL,w=1g,K=2 then w1=1−113=23=0.667Thus, (a) is true (II) If n=2,V1=100mL,V2=100mL,w=1g,K=2 then w2=1−1122=34=0.75gThus, (b) is also trueSimilar Questions
1 g of I2 is in 10 mL CHCI3. When 400 mL H2O is added into it, concentration of I2 in CHCI3 falls to 0.80 g. Hence, partition coefficient of I2 in CHCI3 and H2O is
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