What is the correct IUPAC name of the following compound?

Question

What is the correct IUPAC name of the following compound? <img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/chemistry/1c61456a6d47c6880e11b8c97ac18613-.png" /> (A) 2, 5-dibromo-1, 4-dichlorobenzene (B) 1 ,4-dibromo-2, 5-dichlorobenzene (C) 3, 5-dibromo-1, 4-dichlorobenzene (D) 1,4-dibromo-3, 5-dichlorobenzene

Tardigrade Admin · Accepted Answer

Numbering starts from bromine’s carbon as <img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/chemistry/9c25d59021da07aa731d1a3b6ba9a7b0-.png" /> This is the lowest number given to locants (1,2,4,5) as well as follow alphabetical order

Q. What is the correct $I U P A C$ name of the following compound?

$2, 5$ -dibromo- $1, 4$ -dichlorobenzene

$1, 4$ -dibromo- $2, 5$ -dichlorobenzene

$3, 5$ -dibromo- $1, 4$ -dichlorobenzene

$1, 4$ -dibromo- $3, 5$ -dichlorobenzene

Numbering starts from bromine’s carbon as

This is the lowest number given to locants $(1, 2, 4, 5)$ as well as follow alphabetical order

Q. What is the correct IUPAC name of the following compound?

2,5-dibromo-1,4-dichlorobenzene

1,4-dibromo-2,5-dichlorobenzene

3,5-dibromo-1,4-dichlorobenzene

1,4-dibromo-3,5-dichlorobenzene