A) 60
B) 40
C) 30
D) 20
Correct Answer: B
Solution :
Given molality\[=\frac{1\times 1000}{250}=4m,\,\,6.4=1\times 2\times 4\] or\[i=0.8\] For dimerisation \[i=1-\frac{\beta }{2}\] \[\Rightarrow 0.8-1=-\frac{\beta }{2}\] \[\beta =0.4\Rightarrow 40%\]You need to login to perform this action.
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