Explain constitutional isomers with molecular formula c8h18

Reference no: EM13514322

There are 18 constitutional isomers with molecular formula C8H18. Without drawing all 18 isomers, determine how many of the isomers will have a parent name of heptane. (I know the answer is 3, but is there a formula to easily figure it out or how do you go about knowing when you've drawn enough molecules to determine the answer? Can you give another example, please?)

Reference no: EM13514322

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