How do structural isomers arise?

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How do structural isomers arise?

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Answer 1 · 2017-01-22T11:23:52

By the ability of a given formula to give rise to distinct structures.....

Explanation:

Structural isomerism arises from differing connectivity. An organic formula of $C_{4} H_{10}$ $C_4H_10$ can give rise to two structural isomers: $n-butane,$ $"n-butane,"$ $H_{3} C - C H_{2} C H_{2} - C H_{3}$ $H_3C-CH_2CH_2-CH_3$ ; and $methylpropane or isobutane,$ $"methylpropane or isobutane,"$ $H_{3} C - C H (C H_{3}) C H_{3}$ $H_3C-CH(CH_3)CH_3$ .

As the organic formula becomes larger, the number of possible isomers necessarily increase. $C_{5} H_{12}$ $C_5H_12$ can generate 3 structural isomers. And $hexane$ $"hexane"$ , $C_{6} H_{14}$ $C_6H_14$ can generate 5 structural isomers. And so on...........the larger alkanes can generate many structural isomers.

The possibility of isomerism demands the need for an efficient and recognized system of identification that can name a given structural isomer straightforwardly and unambiguously. This is why educators go to such lengths to introduce nomenclature schemes.

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How do structural isomers arise?

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