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Que. A distillation column separates 10000 kg/hr of a benzene-toluene mixture as shown in the figure below.
In the figure xF, xD and xW represent the weight fraction of benzene in the feed, distillate and residue respectively.

The reflux ratio is
a. 0.5
b. 0.6
c. 1.0
d. 2.0
Correct Answer:0.6
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