JEE Mains · Chemistry · STD 11 - 8.4. Organic chemistry reaction mechanism
Consider the three aromatic molecules (P, Q and R) whose structures have been given below :

The correct order regarding the reactivity of these compounds with \(Ph-N\equiv NCl^{(-)}_{(+)}\) under optimum but slightly acidic medium is :
- A \(P > Q > R\)
- B \(R > P > Q\)
- C \(R > Q > P\)
- D \(P > R > Q\)
Answer & Solution
Correct Answer
(A) \(P > Q > R\)
Step-by-step Solution
Detailed explanation
The reaction of the given aromatic compounds with benzenediazonium chloride (\(Ph-N_2^+ Cl^-\)) is an azo coupling reaction, which is a type of electrophilic aromatic substitution. The electrophile, the diazonium ion (\(Ph-N_2^+\)), is a weak electrophile and requires a strongly…
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