Question 1

sulphuric acid ester

Accepted Answer

can't accept or donate a proton

Answer

can accept a proton

Answer

can donate a proton

Answer

can donate and accept protons

Question 2

What is the PKA of hydrazine?

Accepted Answer

7.5-8.5

Answer

2-4

Answer

8-9

Answer

6.5-7.5

Question 3

According to Brönsted-Lowry theory:

Accepted Answer

an acid is any substance capable of donating a proton (H+)

Answer

an acid is any substance capable of accepting and donating a proton (H+)

Answer

an acid is any substance capable of donating an electron

Answer

an acid is any substance capable of accepting a proton (H+)

Question 4

The ability of a chemical compound to elicit a pharmacologic or therapeutic effect is related to the influence of its

Accepted Answer

physicochemical properties

Answer

Biological Properties

Answer

biochemical properties

Answer

physical properties

Question 5

Which of the following is an acidic functional group

Accepted Answer

Sulfonic acid

Answer

Both of them

Answer

None

Answer

sulfonic acid ester

Question 6

Which of the following is a basic functional group?

Accepted Answer

Guanidine

Answer

Imide

Answer

both

Answer

none

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