Question

Which of the following is an artificial edible colour ?

• A. Saffron
• B. Carotene
• C. Tetrazine
• D. Melamine

Answer 1

Answer: (C)

Tetrazine

Answer 2

Tetrazine is an artificial edible colour. It is an unstable compound that contains a $6$-membered aromatic ring, $4$ of which are nitrogen atoms.
The formula of tetrazine is $C _{2} H _{2} N _{4}$.