Which of the following most correctly defines "structural isomers"?

Question

Quizplus · Accepted Answer

Structural isomers are molecules with the same molecular formula but different connectivity. They have the same number of atoms and same types of atoms but arranged differently in the molecule. Choice A is incorrect because molecules with the same connectivity have the same molecular formula. Choice B is incorrect because compounds that are not constitutional isomers can still be structural isomers. Choice D is incorrect because anti and gauche conformers refer to different conformations of the same molecule, not different molecules. Choice E is incorrect because it includes incorrect options.

Which of the Following Most Correctly Defines "Structural Isomers