that was easy
pyrrole - aza cyclo penta 1,3 diene
pyridine - azobenzene
Pyrrole and Pyridine ....
a> both non aromatic
b> both aromatic
c> Pyrrole non aromatic and Pyridine aromatic
d> Pyrrole aromatic and Pyridine non aromatic
yup ! i just gave it to see whether we r familiar with certain common names of N containing aromatic compounds ...