A) Picric acid, 2, 4, 6-tribromophenol
B) 5-nitrosalicylic acid, 5-bromosalicylic acid
C) $o$-nitrophenol, $o$-bromophenol
D) 3, 5-dinitrosalicylic acid, 3, 5-dibromosalicylic acid
Explanation
The correct answer is Option A: Picric acid, 2, 4, 6-tribromophenol.
A detailed explanation for this question is being prepared.