Question 1

Which of the following is the correct IUPAC name for the compound $$(\mathrm{(CH_3$)_2CHCH_2CH_2C(CH_3$)_2CH_2CH_3})$$?

Accepted Answer

4,4,6-Trimethyloctane

Question 2

What is the IUPAC name for the following structure (a six-membered ring with a chlorine substituent at position 1 and a bridge at positions 1 and 4)?

Accepted Answer

1-Chlorobicyclo[2.2.1]heptane

Question 3

Which of the following is the correct structure for cyclopropyl iodide?

Accepted Answer

A three-membered ring with an iodine atom attached to one carbon

Question 4

Which of the following is the correct Lewis structure for $$\mathrm{C_2H_5N}$$, assuming all second-row atoms have octets?

Accepted Answer

A two-carbon chain with an amino group ($$\mathrm{-NH_2$}) $$attached to one carbon

Question 5

Which of the following is the correct Lewis structure for $$\mathrm{[CH_5O]^+}$$?

Accepted Answer

A central oxygen atom single-bonded to a methyl group and three hydrogens, with a positive charge on oxygen

Question 6

Which of the following is NOT a functional group present in the compound shown in question 4?

Accepted Answer

Ether

Question 7

In the structure shown in question 4, which bond is shorter: the bond labeled (a) or the bond labeled (b)?

Accepted Answer

Bond (a)

Question 8

How many carbons are present in the structure shown in question 4?

Accepted Answer

13

Question 9

How many hydrogens are present in the structure shown in question 4?

Accepted Answer

17

Question 10

What is the electronic geometry around the oxygen atom at the far right of the structure in question 4?

Accepted Answer

Tetrahedral

Question 11

Which of the following is the correct IUPAC name for sec-butyl bromide?

Accepted Answer

2-Bromobutane

Question 12

Which of the following is the correct structure for isobutyl fluoride?

Accepted Answer

A three-carbon chain with a methyl group on the second carbon and a fluoride on the first carbon

Question 13

Which of the following is the correct structure for chloroform?

Accepted Answer

A carbon atom bonded to one hydrogen and three chlorine atoms

Question 14

Which of the following best describes the bond labeled (a) in the structure in question 4?

Accepted Answer

$$\mathrm{C=O} ($$carbonyl)

Question 15

Which of the following best describes the bond labeled (b) in the structure in question 4?

Accepted Answer

$$\mathrm{C-N} ($$amide)

Organic Chemistry Exam 1 Study Guidance: Nomenclature, Structures, and Functional Groups

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