Question
Chemistry Question on Depression of freezing point
2g of benzoic acid (C6H5COOH) dissolved in 25g of benzene lowers its freezing point by 1.62 K. Molal depression constant is 4.9 K kg/mol. The value of ‘i’ when benzoic acid dimersises would be :
A
0.753
B
0.617
C
0.504
D
0.405
Answer
0.504
Explanation
Solution
The correct option is (C) :0.504