Question 1

Which of the following is the correct systematic name for the compound shown below?

A benzene ring with a tert-butyl group attached.

Accepted Answer

tert-butylbenzene

Question 2

When naming a disubstituted benzene, which rule should be followed for numbering the substituents?

Accepted Answer

Number the ring so that the substituents have the lowest possible numbers.

Question 3

What is the correct systematic name for a benzene ring with an iodine atom at position 1 and a bromine atom at position 4?

Accepted Answer

1-iodo-4-bromobenzene

Question 4

Which prefix is used to indicate that two substituents on a benzene ring are adjacent (positions 1 and 2)?

Accepted Answer

ortho-

Question 5

A benzene ring has a methyl group at position 1 and a fluorine atom at position 3. What is the correct systematic name?

Accepted Answer

1-methyl-3-fluorobenzene

Question 6

Which of the following is the correct common name for a benzene ring with a hydroxyl group and a bromine atom at the para position?

Accepted Answer

para-bromophenol

Question 7

Given a benzene ring with two methyl groups at positions 1 and 3, what is the common name for this compound?

Accepted Answer

meta-xylene

Question 8

Which of the following is the correct IUPAC name for a benzene ring with methyl groups at positions 1 and 3 and a hydroxyl group at position 4?

Accepted Answer

$1,3$-dimethyl-$4$-hydroxybenzene$ $or$ $4$-hydroxy-$1,3$-dimethylbenzene

Question 9

When naming a polysubstituted benzene, which carbon is assigned position 1?

Accepted Answer

The carbon with the substituent that gives the structure a common name.

Question 10

What is the correct name for a benzene ring with a chlorine atom at position 2, a fluorine atom at position 4, and a nitro group at position 6, with a methyl group at position 1?

Accepted Answer

$2$-chloro-$4$-fluoro-$6$-nitrotoluene

Question 11

Which of the following is the correct structure for meta-xylene?

Accepted Answer

A benzene ring with methyl groups at positions 1 and 3.

Question 12

Which of the following is the correct systematic name for a benzene ring with an ethyl group at position 2, a chlorine atom at position 3, and a nitro group at position 6, with a methyl group at position 1?

Accepted Answer

$3$-chloro-$2$-ethyl-$6$-nitrotoluene

Question 13

If a benzene ring has a methyl group and a hydroxyl group, which substituent determines the parent name in common naming?

Accepted Answer

Hydroxyl group (phenol)

Question 14

Which of the following is the correct common name for a benzene ring with a carboxylic acid group and a tert-butyl group at the para position?

Accepted Answer

para-tert-butylbenzoic acid

Question 15

Which of the following is the correct IUPAC name for a benzene ring with a fluorine atom at position 1 and an isopropyl group at position 3?

Accepted Answer

1-fluoro-3-isopropylbenzene

Question 16

Which of the following is the correct systematic name for a benzene ring with a methyl group at position 1 and a nitro group at position 2?

Accepted Answer

2-nitrotoluene

Question 17

When naming a disubstituted benzene, which prefix is used to indicate substituents at positions 1 and 3?

Accepted Answer

meta-

Question 18

Which of the following is the correct common name for a benzene ring with an amino group and a nitro group at the para position?

Accepted Answer

para-nitroaniline

Question 19

A benzene ring has a methyl group at position 1, a nitro group at position 3, and a bromine atom at position 5. What is the correct systematic name?

Accepted Answer

$3$-nitro-$5$-bromotoluene

Aromatic Compound Nomenclature: Benzene Derivatives

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