How many dibrominated derivatives of benzene are possible?

How many trichloro derivatives of benzene are possible?

How many isomers of butene are possible ?

How many isomeric compounds will be obtained when a disubstituted derivative of benzene is prepared from its monosubstituted derivative?

How many monobromo derivatives are possible for each of ortho, meta and para-xylene?

" How many dichloro derivatives are possible with cyclopentane on dichlorination with \(Cl_{2}\)/hv.(Including stereoisomers)

Para disubstituted derivatives of benzene are 1, 4-derivatives.

How many tetramethyl benzene are possible:

How many tetramethyl benzene are possible: