A) 5 : 1
B) 10 : 1
C) 1 : 5
D) 1 : 0.2
Correct Answer: C
Solution :
\[\Delta {{T}_{b}}={{K}_{b}}\times m\] \[\therefore \]\[\frac{\Delta {{T}_{b}}_{(A)}}{\Delta {{T}_{b}}_{(B)}}=\frac{{{K}_{b}}_{(A)}}{{{K}_{b}}_{(B)}}\]as\[{{m}_{A}}={{m}_{B}}\] \[\therefore \]\[\frac{\Delta {{T}_{b}}_{(A)}}{\Delta {{T}_{b}}_{(B)}}=\frac{1}{5}\]
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