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chemistry

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in naming hydrocarbons ..
if the hydocarbon has a double bond .. do i automatically consider it from the parent chain.. or it could be in a branched part

  • chemistry -

    The longest chain containing the double bond is the parent compound.

  • chemistry -

    if the double bond is not in the longest chain ... ??!!

  • chemistry -

    If it's a double bond C=C (as opposed to a COOH or CHO(aldehyde) or RCOR'(a ketone), the longest chain containing the double bond is the parent. All of the other "longer" chains or parts of them are names as substituents of the parent. Double bonds (C=C double bonds) take precedence over single bonds.

  • chemistry -

    thank you ..

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