What is the product when C6H5CH2NH2
Question:

What is the product when C6H5CH2NH2 reacts with HNO2?

Solution:

C6H5CH2NH2 reacts with HNO2 to form unstable diazonium salt, which in turn gives alcohol.

C6H5CH2NH2 + HNO2 → C6H5CH2OH + N2 + H2O