$$ \text {Benzyl isocyanide can be obtained from } $$

Choose the correct answer from the options given below :

$$ \text {Identify the incorrect statements. } $$

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Product C of the following reaction sequence will be

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 $$ \mathrm{Ph}-\underset{(+)}{\mathrm{N}} \equiv \mathrm{~N} \mathrm{Cl}^{(-)} $$ under optimum but slightly acidic medium is :