Benzene Flashcards
Only Benzene
1
Q
Word aromatic mean
A
Pleaseant smell/fragnance
2
Q
Defination of Aromatic compunds:
A
Study of benzene and its derivatives
3
Q
Properties for being aromatic
A
- Cyclic
- Conjugation
- planar
- huckel rule
4
Q
What is benzene
A
A cyclic ring compund having 3 sigma and 3 pie bonds.
5
Q
Melting point and boiling point
A
5.5 and 80
6
Q
molecular formula
A
C6H6
7
Q
Molecular Mass
A
78amu
8
Q
benzene was 1st time isolated by
A
Michael Farady in 1825 by destructive distillation of vegetable oil
9
Q
Benzene structure was given by
A
kekule in 1865
10
Q
Work of huckel for benzene
A
He worked on kekule structure and gave resonance theory
11
Q
Hofman work?
A
he prepared benzene from coal tar in 1845
12
Q
at least 5
properties of benene
A
- Colourless
- inflammable liquid
- carcinogenic
- insoluble in water
- burns with black flame
13
Q
Hybridization of benzene
A
Sp2 , 120degree ,1.39A bond angle ,coplanar
14
Q
density of benzene
A
0.88g/cm^3
