Aromatics, carbonyls and acids Flashcards
1
Q
Benzene
A
aromatic compound with a very stable planar ring structure with delocalised electrons
2
Q
kekule model
A
six membered ring with alternating double bonds
3
Q
Problems with kekule structure
A
- benzene is resistant to addition reactions
- all 6 carbon bonds are the same length
- enthalpy of hydrogenation shows benzene is more stable than predicted
4
Q
Nitration
A
Reaction with NO2 group normally in the form of HNO3.
5
Q
Nucleophile
A
donates a pair of electrons
6
Q
What is 2,4-DNP used for…
A
Detects the presence of a carbonyl group in an organic compound. Further, find the compound by comparing the melting point of precipitate.
7
Q
Tollens reagent
A
Ammoniacal silver nitrate
