A) \[{{K}_{b}}={{K}_{f}}\]
B) \[{{K}_{b}}\,=0.5\,\,{{K}_{f}}\]
C) \[{{K}_{b}}\,=\,1.5\,{{K}_{f}}\]
D) \[{{K}_{b}}=2\,\,{{K}_{f}}\]
Correct Answer: D
Solution :
\[\Delta {{T}_{b}}={{K}_{b}}m\] \[2={{K}_{b}}\times 1\] \[\therefore \,\,\,\text{ }{{K}_{b}}=2\] \[\Delta {{T}_{f}}={{K}_{f}}m\] \[2={{K}_{f}}\times 2\] \[\therefore \,\,\,\text{ }{{K}_{f}}=1\] \[\therefore \,\,\,\text{ }{{K}_{b}}=2{{K}_{f}}\]
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