which-key-step-is-involved-in-the-transformation-of-acyl-azide-to-isocyanate-dur

Question

Which key step is involved in the transformation of acyl azide to isocyanate during the Curtius rearrangement?

Accepted Answer

Loss of nitrogen gas to form a nitrene intermediate.

Answer

Nucleophilic attack on the azide group.

Answer

Formation of a carbocation intermediate.

Answer

Electrophilic substitution of the acyl group.