The IUPAC name of the following compound is
(2009)

4-Bromo-3-cyanophenol

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2-Bromo-5-hydroxybenzonitrile

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2-Cyano-4-hydroxybromobenzene

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6-Bromo-3-hydroxybenzonitrile

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Solution

The correct option is B 2-Bromo-5-hydroxybenzonitrile
To answer this you need to know the order of priority first.

- CN has highest priority. Further the sum of locants is 7 in (b) and 9 in (d).

So, accordingly we get the name to be 2-Bromo-5-hydroxybenzonitrile

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