6. At 20C, the vapour pressure of 0.1 M solution of urea is 0.0311 mm less than that of water and the vapour pressure of 0.1 M solution of KCl is 0.0574 mm less than that of water. The apparent degree of dissociation of KCl at this dilution is (1) 92.1% (2) 84.6% (3) 68.4% (4) 54.1%

6. At 20C, the vapour pressure of 0.1 M solution of urea is 0.0311 mm

1.	6. At 20C, the vapour pressure of 0.1 M solution of urea is 0.0311 mm less than that of water and the vapour pressure of 0.1 M solution of KCl is 0.0574 mm less than that of water. The apparent degree of dissociation of KCl at this dilution is (1) 92.1% (2) 84.6% (3) 68.4% (4) 54.1%
Answer» 6. At 20C, the vapour pressure of 0.1 M solution of urea is 0.0311 mm less than that of water and the vapour pressure of 0.1 M solution of KCl is 0.0574 mm less than that of water. The apparent degree of dissociation of KCl at this dilution is (1) 92.1% (2) 84.6% (3) 68.4% (4) 54.1%