(A) $1$. Identify the longest carbon chain containing the functional group. The chain has $4$ carbon atoms,so the parent alkane is butane.$2$. Number

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(A) $1$. Identify the longest carbon chain containing the functional group. The chain has $4$ carbon atoms,so the parent alkane is butane.$2$. Number the chain starting from the end closer to the substituent (chlorine atom). The chlorine is at $C-1$ and the methyl group is at $C-3$.$3$. Combine the substituents alphabetically: $1-$chloro and $3-$methyl.$4$. The final $IUPAC$ name is $1-$chloro$-3-$methylbutane.

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

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What is the $IUPAC$ name of the compound $CH_3-CH(CH_3)-CH_2-CH_2-Cl$?

A
$1-$Chloro$-3-$methylbutane
B
$2-$Methyl$-4-$chlorobutane
C
$2-$Methyl$-1-$chlorobutane
D
$1-$Chloropentane

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Class 11

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Chapter

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

Subtopic

Nomenclature of organic compounds

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