Question

what is isomerism explain with an example​

Answer 1

Structural isomers are molecules with the same molecular formula, but their atoms have different arrangements or bonds. ... for example : Butane and isobutane have the same number of carbon (C) atoms and hydrogen (H) atoms, so their molecular formulas are the same.

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Answer 2

Answer:

The phenomenon in which different compounds having the same functional groups at different positions on the parent chain is known as position isomerism.

For example,

But-2-ene [CH_3 -CH=CH-CH_3]

and but-1-ene (CH_2 = CH – CH_2 - CH_3] are position isomers of each other as they have the same molecular formula C_4 H_8 and the same carbon skeleton but the double bonds are located at different positions.