Question

23. Depression in freezing point for 1 M urea, 1 M NaCl and 1 M CaCl, are in the ratio of
(1) 1:2:3
(2) 1:1:1
(3) 3:2:1
(4) Data insufficient
ne
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Answer 1

Answer:Data insufficient

Explanation:Because the NaCl and CaCl can be dissociated into two ions but urea can't be dissociated.So,the ratio is 1:2:2 but there's no option like this so data insufficient is right option.