Trichlorobenzene, $\mathrm{C}{}_6\mathrm{H}{}_3\mathrm{Cl}{}_3$, exists as how many structural isomers?

More questions on Counting structural isomers

• 2,2,4-Trimethylpentane (isooctane), (CH3)3C-CH2-CH(CH3)2, is monochlorinated. The number of structural isomers of the product C8H17Cl is JEE Main level
• Propane is dichlorinated. How many structural isomers of C3H6Cl2 can form (stereoisomers not counted)? JEE Main level
• The number of dichloro derivatives (structural isomers) of neopentane, 2,2-dimethylpropane, is JEE Main level
• The number of aromatic (benzene ring containing) structural isomers of C7H8O is JEE Main level
• Ethers of formula C5H12O (open-chain, structural isomers) number JEE Main level
• How many secondary alcohols are there among the open-chain saturated alcohols of molecular formula C5H12O? JEE Main level