What is always true about compounds related as isomers?

Question

Quizplus · Accepted Answer

Isomers are compounds with the same molecular formula but different structures. Therefore, the only statement that is always true about isomers is that they have the same molecular formula. The other statements may be true for some isomers but not for others. Option A is true for structural isomers but not for stereoisomers. Option B is true for some isomers but not for all. Option D is true for enantiomers, a type of stereoisomer, but not for all isomers. Therefore, only option C is always true for isomers.

What Is Always True About Compounds Related as Isomers