How many structural isomers are possible for heptane, octane, nonane, and decane?

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How many structural isomers are possible for heptane, octane, nonane, and decane?

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Answer 1 · 2017-04-25T16:30:53

Well, $heptane$ $"heptane"$ , $C_{7} H_{16}$ $C_7H_16$ has NINE structural isomers..........

Explanation:

And, $octane$ $"octane"$ , $C_{8} H_{18}$ $C_8H_18$ apprarently has 18 structural isomers..........

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And $nonane$ $"nonane"$ , $C_{9} H_{20}$ $C_9H_20$ apparently has 35 structural isomers..........

And $decane$ $"decane"$ , $C_{10} H_{22}$ $C_10H_22$ has a whopping 75 structural isomers.

And this illustrates the structural complexity of the alkanes. Clearly, you would not be asked to identify all the structural isomers of even heptane. You might be asked to write a couple of structural isomers.

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How many structural isomers are possible for heptane, octane, nonane, and decane?

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