Problems and exercisesNitrosation

1. The electrophile

Write the formation of the nitrosyl cation from sodium nitrite and hydrochloric acid. Is it a nucleophile or an electrophile?

2. Nitrosation products

1. Diethylamine + NaNO₂/HCl
2. Propylamine + NaNO₂/HCl, 0 °C
3. Triethylamine + NaNO₂/HCl

3. Nitrosamines

Why is the presence of nitrites in foods containing secondary amines a concern?