Exp 10

Question 1

What is the standard solution in this experiment

Answer 1

SA

Question 2

What is the difference between the SA and ASA in the structure form

Answer 2

SA has two groups of OH
ASA has two double bonds

Question 3

What are we filling the stock ASA and SA with ?

Answer 3

Distiolled water

Question 4

What are we filling the little flus I with after adding from the stock ?

Answer 4

FeCl3 ( iron 3 chlorid)

Question 5

What happens when we add NaOH?

Answer 5

De edterification of ASA (hydrolyzing [removing] ester group ) in a basic medium

Question 6

After de eseriflcation we add………………. To produce…………….. with a …………….. color

Answer 6

FeCl3, fe- salicylate complex , violet

Question 7

What do we add in the first an seconreaction and what is its products?

Answer 7

First
Salicylic acid with naoh to give salicylate dianion
Second
Salicylate and FeCl3 gives fe- salicylate complex

Question 8

What is blank. In this experiment?

Answer 8

FeCl3