Across
- 2. number of stereoisomers in tartaric acid.
- 4. is the six membered heterocyclic compound.
- 8. is known as deactivating group.
- 9. group is meta directing group.
- 10. has as its hetero atom O.
- 12. is Indole.
Down
- 1. is non-benzenoid aromatic compound.
- 3. undergoes electrophilic substitution at the position 2or5.
- 5. on amination gives aniline.
- 6. number of pi-electrons in azulene.
- 7. dibromobenzene on nitration gives three isomers.
- 11. is an important mordant dye.