Reference no: EM132014224

Question 1

Of the following, which is not required to properly use a round bottom flask of a simple distillation setup?

A)Organic distillant

B)Greased glass joints

C)Water

D)Boiling stones

Question 2

What is the dominating force for boiling point?

A)Intramolecular forces

B)Electron and proton attraction

C)Intermolecular forces

D)Gravitational force

Question 3

What degree difference is needed for fractional distillation instead of just doing simple distillation?

A)Less than 25 oC

B)Greater than 100 oC

C)Greater than 50 oC

D)Less than 5 oC

Question 4

Ultimately the goal of fractional distillation as opposed to simple distillation is to___

A)Heat reactions far below their boiling points

B)Heat reactions far above their boiling points

C)Obtain more fractions than you otherwise would have with simple distillation

D)Obtain a better separation (i.e. purification) when boiling points are close to each other.

Question 5

When connecting the water tube to your condenser you will connect it to the bottom inlet so that_____

A)It slightly touches the sample for better cooling efficiency

B)It does not fill the entire tube so it doesn't overflow

C)It fills the entire tube thus allowing for greater efficiency of cooling.

D)It doesn't contaminate the sample