JEE Advance - Chemistry (2009 - Paper 1 Offline - No. 9)
The IUPAC name of the following compound is
4-Bromo-3-cyanophenol
2-Bromo-5-hydroxybenzonitrile
2-Cyano-4-hydroxybromobenzene
6-Bromo-3-hydroxybenzonitrile
Explanation
The priority order of the substituents on the ring is
$$-$$CN > $$-$$Br > $$-$$OH
Cyanide group is given the highest priority.
Hence, it is written as suffix benzonitrile and
other functional groups behave as substituents.
The numbering of substituents is done in such
a way that sum of the locants is least.
The names of substituents are written in
alphabetical order.
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