Commercial flavor

Question 1

T/F A catalyst gets consumed in a reaction

Answer 1

F

Question 2

According to Le Chatelier’s principle, which of the following are ways to manipulate equilibrium?

Answer 2

Remove or sequester one of the products

Increase the proportion of one of the reagents

Question 3

Which of the following techniques could be used to modify the position of the equilibrium by removing or sequestering a product?

Answer 3

Using a Dean-Stark trap and toluene azeotrope
Use of a drying agent to remove wate

Question 4

What are examples of catalysts?

Answer 4

KOH in the synthesis of tetracyclone, H2SO4 in the Fischer esterification

Question 5

My reaction calls for 20 mol% of catalyst. If I use 15 mmol of limiting reagent, how many mmol of catalyst should I be using?

Answer 5

3

Question 6

What are the key physical processes involved in distillation?

Answer 6

Boiling and condensation

Question 7

What is the primary difference between simple distillation and fractional distillation?

Answer 7

Fractional distillation uses a fractionating column, simple distillation does not

Question 8

What is a theoretical plate?

Answer 8

A representation of one condensation and vaporization cycle

A measure of the separation efficiency of the column

Question 9

How do you find boiling point of a certain composition?

Answer 9

Read Y axis

Question 10

How do you find composition of vapor?

Answer 10

Move over one plate

Question 11

How to count number of plates

Answer 11

Move over one as far as you can, start 2nd, stop when you hit vapor line