What are structural isomers?

What is structural isomerism? Draw isomers of pentane.

Assertion : Following are the structural isomers of butane. Reason : Structural isomers have the same molecular formula but they differ in their structures.

Hexane has four structural isomers.

Draw the structures for the following compounds. Bromopentane Are structural isomers possible for bromopentane

What type of structural isomers are [Pt(OH)_2(NH_3)_4]SO_4 and [PtSO_4(NH_3)_4](OH)_2 ? How will you identify the isomers with a chemical test?