Question
Chemistry Question on Organic Chemistry
Following is a confirmatory test for aromatic primary amines. Identify reagent (A) and (B)
A
B
C
D
Answer
Explanation
Solution
The confirmatory test involves diazotization, followed by coupling with phenol to yield a red azo dye. Hence, the reagents used are:
A = NaNO2 + HCl, 0–5°C and B = phenol