Which of the following statement about benzene is true ?
because of unsaturation ,benzene easily undergoes addition reaction
there are two types of C -C bonds in benzene molecule
there is a cycle delocalisation of p - electrons in benzene
monosubstitution of benzene gives three isomeric products
The ratio of s and p bonds in the benzene is___________
2
4
6
8
The resonance energy of benzene is_____________
36 kcal mole-1
30 kcal mole-1
25 kcal mole-1
20 kcal mole-1
Which halogen will react vigorously with aromatic hydrocarbons in the absence of catalyst?
Chlorine
Bromine
Fluorine
Sodium
Which type of reaction takes place in aromatic compounds?
Addition reaction
Oxidation reaction
Polymerization reaction
Electrophilic substitution reaction
How many isomers are possible for the aromatic compound having molecular formula C7H7Cl ?
3
5
Monosubstituted benzene do not show _____________
position isomerism
chain isomerism
geometrical isomerism
all the above
An arene with 'a' rings has the formula
CnH2n-2a
CnH2n-6a
CnH2n-4a
CnH2n-3a
