Question

How many different types of proton (By looking H1 NMR spectrum) present in the Benzocaine?

Question 1 options: 3, 2, 4, 5

Question 2 (2 points)

Why is sulfuric acid added in an Esterification reaction?

a. It neutralizes base produced in the reaction.

b. It pushes the reaction to completion by dehydrating the product.

c. It is used as a polar protic solvent

d. It activates the carbonyl of p-aminobenzoic acid making it more reactive.

e. A low pH is needed for the reaction to occur

Question 3 (3 points)

Question: In the IR spectrum of Benzocaine, which peaks are representing C-O stretching bands ?

Question 3 options:

(a) 1681.39 and 1635.84 cm^-1

(b) 1284.32 and 1052.82 cm^-1

(c) 1476.76 and 1442.50 cm^-1

(d) 773.71 and 743.44 cm^-1

(multi-select)Question 4 (2 points)

Which following statement statements is wrong for Benzocaine?

A. It is an aromatic carboxylic ester.

B. Benzocaine is acidic in nature.

C. It is basic in nature.

D. Benzocaine is used to reduce the pain or discomfort caused by sore throat, teething pain, rectal irritation, hemorrhoids etc.

E. It does not show any side effects if you take more than the dose.

F. It is a colorless trapezial crystal

Answer 1