TS EAMCET · Chemistry · Solutions
When grams of benzoic acid dissolved in grams of benzene, it shows depression of freezing point equal to . Molal depression constant of benzene is . What is the percentage association of acid, if it forms dimer in solution?
- A
- B 90%
- C
- D 77%
Answer & Solution
Correct Answer
(B) 90%
Step-by-step Solution
Detailed explanation
Given , WB=2.44g , Kf=5 K kg mol-1WA =25g , ∆Tf =2.2K WB=2.44g , Kf=5 K kg mol-1WA =25g , ∆Tf =2.2K Now ,∆Tf = Kf ×WBMB…
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