About fractional distillation of cyclohexane-toluene mixture
问题描述：
About fractional distillation of cyclohexane-toluene mixture
What should you go if the cyclohexane-toluene mixture appears to be refluxing at the bottom of your fractionating column but is not going up the column?
A.increase the hot plate setting and insulate the column
B.drop more boiling chips into the round bottom flask
C.remove the packing from inside the column
D.nothing
答
A
蒸汽上不去是因为加热不够,或者柱子表面散热太快.