Give definition of position isomerism and Example

1.	Give definition of position isomerism and Example
Answer» Solution :When two or more compounds differ in the POSITION of substituent atom or functional group on the carbon skeleton, they are CALLED position isomers and this phenomenon is termed as position isomerism. Example: The molecular FORMULA `C_(3)H_(8)O` represents two ALCOHOLS because the one function group `-OH` present but position is differ `underset("Propan-1-ol (n-propyl alcohol)")(CH_(3)CH_(2)CH_(2)OH) underset("Propan-2-ol (Isopropyl alcohol)")(CH_(3)- underset(underset(OH)(\|))(CH)-CH_(3))`

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