The number of isomers of the aromatic compound `C_8H_(10)` is :

The number of isomers of the aromatic compound C_(8)H_(10) are :

The number of structural isomers for an aromatic compound C_7H_8O is

The number of isomers of a benzenoid aromatic compound having molecular formula, C_(7)H_(8)O is _______

An aromatic compound A ( C_7H_9N ) on reacting with NaNO_2 / HCI at 0^@C forms benzyl alcohol and nitrogen gas. The number of isomers possible for the compound A is

The number of position isomers for an armoatic compound having the molecular formula C_(8)H_(10) is :