The IUPAC name of the following compound is | vedclass

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(B) The correct option is $B$,$2-$Bromo-$5-$hydroxybenzonitrile.In the given compound,the $-CN$ group is the principal functional group,so the parent

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$2-$Bromo-$5-$hydroxybenzonitrile

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(B) The correct option is $B$,$2-$Bromo-$5-$hydroxybenzonitrile.In the given compound,the $-CN$ group is the principal functional group,so the parent chain is named as a derivative of benzonitrile.The carbon atom attached to the $-CN$ group is assigned position $1$.Numbering the ring to give the lowest possible locants to the substituents,the $-OH$ group is at position $5$ and the $-Br$ group is at position $2$.According to alphabetical order,$Bromo$ comes before $hydroxy$.Therefore,the $IUPAC$ name is $2-$Bromo-$5-$hydroxybenzonitrile.

The $IUPAC$ name of the following compound is

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