Question 1

Refer to the Lewis structure shown in the first image. How many steric groups are present around the central atom A?

Accepted Answer

Four

Question 2

In the second image, what is the formal charge on the sulfur atom in the molecule shown?

Accepted Answer

$$-1$$

Question 3

Based on the compounds shown in the third image, arrange them in order of increasing acidity (weakest acid to strongest acid).

Accepted Answer

III \u003c II \u003c I

Question 4

Which of the compounds shown in the fourth image has the highest boiling point?

Accepted Answer

CH$$_3CH$_2CH$_2CH$_2CH$_2CH$_2CH$_2CH$_2CH$_3$$

Question 5

In the fifth image, which functional group is NOT present in the molecule?

Accepted Answer

Carboxyl

Question 6

In the sixth image, which proton (A, B, C, or D) is the most acidic?

Accepted Answer

Proton A

Question 7

What is the IUPAC name for the compound shown in the seventh image?

Accepted Answer

Ethyl propanoate

Question 8

For the reaction shown in the eighth image, which compound acts as the Brønsted-Lowry acid?

Accepted Answer

CH$$_3CH$_2OH$$

Question 9

In the ninth image, which functional groups are present in the compound?

Accepted Answer

Carboxylic acid and ester

Question 10

In the tenth image, which functional group is present in the molecule?

Accepted Answer

Amide

Question 11

In the eleventh image, which compound is expected to have the higher boiling point?

Accepted Answer

Cyclopentanone

Question 12

For the acid-base reaction shown in the twelfth image, which product is favored at equilibrium?

Accepted Answer

Products are favored

Question 13

In the thirteenth image, which compound is more basic?

Accepted Answer

Piperidine (six-membered ring)

Question 14

In the fourteenth image, which compound is more soluble in water?

Accepted Answer

Tetrahydropyran (six-membered ring with O)

Organic Chemistry Exam 1 Practice – Step-by-Step Study Guidance

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