(A) The structure is $CH_3-CH(CH_3)-CO-CONHBr$. $1$. The parent chain is a four-carbon amide chain (butanamide). $2$. There is a keto group at the $C-

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$N$-Bromo$-2-$keto$-3-$methylbutanamide

(A) The structure is $CH_3-CH(CH_3)-CO-CONHBr$. $1$. The parent chain is a four-carbon amide chain (butanamide). $2$. There is a keto group at the $C-2$ position. $3$. There is a methyl group at the $C-3$ position. $4$. There is a bromine atom attached to the nitrogen atom of the amide group,denoted as $N$-Bromo. $5$. Combining these,the $IUPAC$ name is $N$-Bromo$-2-$keto$-3-$methylbutanamide.

Class 11 Chemistry 8-1.Organic Chemistry : Classification and Nomenclature of Organic compounds Nomenclature of organic compounds

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The $IUPAC$ name of $CH_3-CH(CH_3)-CO-CONHBr$ is

A
$N$-Bromo$-2-$keto$-3-$methylbutanamide
B
$N$-Bromo$-2-$keto$-4-$methylbutanamide
C
$N$-Bromo$-1,2-$diketo$-3-$methylbutanamine carboxamide
D
$N$-Bromo$-1-$keto$-2-$methylpropane

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Class 11

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8-1.Organic Chemistry : Classification and Nomenclature of Organic compounds

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Nomenclature of organic compounds

Which of the following represents the correct $IUPAC$ name for the compounds concerned?
$(a)$ $2,2-$ Dimethylpentane or $2-$ Dimethylpentane
$(b)$ $2,4,7-$ Trimethyloctane or $2,5,7-$ Trimethyloctane
$(c)$ $2-$ Chloro$-4-$methylpentane or $4-$ Chloro$-2-$methylpentane
$(d)$ But$-3-$yn$-1-$ol or But$-4-$ol$-1-$yne

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What is the $IUPAC$ name of the given structure?

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Write the $IUPAC$ name of the given compound.

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The correct $IUPAC$ name of the given compound is:

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Match the acids given in Column-$I$ with their correct $IUPAC$ names given in Column-$II$.

Column-$I$ (Acids) Column-$II$ ($IUPAC$ name)

$A$. Phthalic acid $1$. Hexane$-1,6-$dioic acid

$B$. Oxalic acid $2$. Benzene$-1,2-$dicarboxylic acid

$C$. Succinic acid $3$. Pentane$-1,5-$dioic acid

$D$. Adipic acid $4$. Butane$-1,4-$dioic acid

$E$. Glutaric acid $5$. Ethane$-1,2-$dioic acid

Column-$I$ (Acids)	Column-$II$ ($IUPAC$ name)
$A$. Phthalic acid	$1$. Hexane$-1,6-$dioic acid
$B$. Oxalic acid	$2$. Benzene$-1,2-$dicarboxylic acid
$C$. Succinic acid	$3$. Pentane$-1,5-$dioic acid
$D$. Adipic acid	$4$. Butane$-1,4-$dioic acid
$E$. Glutaric acid	$5$. Ethane$-1,2-$dioic acid