Which is the main source of aromatic hydrocarbon?
Coal
Petroleum
Both a and b
None of these
Which type of reaction takes place in aromatic compounds?
Addition reaction
Oxidation reaction
Polymerization reaction
Electrophilic substitution reaction
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
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
How many isomers are possible for the aromatic compound having molecular formula C7H7Cl ?
4
3
2
5
