Question

How will distillation be affected by: a. Distilling too rapidly? b. Distilling too slowly? c. Adding too much liquid to the flask or vial? d. Forgetting to add a boiling chip?

Answer 1

a) distillating too rapidly:

If we distill too rapidly then the purity of distillate will decrease as the composition changes rapidly.

Moreover the temperature can't be controlled easily in rapid heating.

b) distillating too slowly:

Distillating slowly will ensure the control of temperature properly and temperature difference of liquids can be measured and the purity of distillate will be high.

c) adding too much of liquid to the flask or vial:

This will also decreases the purity of distillate as the liquid will not go to condenser.

d) forgot to add boiling chip:

Boiling chip prevent the super heating of liquid,in absence of boiling chip the liquid will be superheated and will bump into the condenser.