Aromatic Chemistry

2. Which 5-memebered heterocyclic compound is most reactive in Electrophilic aromatic substitution reactions?
9. A group that that increases the rate of a reaction of a benzene ring and directs incoming substituent to ortho or Para position is-
10. tetrafluoroborate-In the nitration reaction, what is the other reagent that can be used instead of nitric acid and sulphuric acid at very low temperatures?
12. halides-Compounds that do not react with benzene without a catalyst (Lewis acid catalyst e.g., FeBr3) present.
13. A chemical specie that forms a chemical bond by donating its pair of electrons.
14. groups (electron withdrawing groups) dictate their substituents to which position on the benzene ring?
16. One of the rules of aromaticity is that aromatic compounds must be what geometry-
17. Which reduction reaction reduces a carbonyl unit to CH2 under acidic conditions?
18. bromide- What catalyst is added to enable a reaction between a benzene ring and molecular bromine?

1. A benzene mono-substituted with NO2 causes a relatively slow reaction of the benzene ring. What substituent group is NO2?
3. - A substituent compound or molecule that is at position 2 to the main functional group on an aromatic compound is at what position
4. The product between nitrile and azide ion is
5. Acid- Oxidation of alkyl benzene with Potassium permanganate give rise to?
6. The reaction between diazonium ion and cuprous salt is called
7. Benzene is more comfortable to undergo what type of substitution reaction
8. -A Friedel – Craft reaction that causes a straight alkyl side chain to a benzene followed by the loss of (C=O).
11. rule - A formulaic factor that is used to determine if a compound is aromatic
15. isomerism Tautomerism is also known as what?