Which of the following is a correct IUPAC nam | vedclass

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(D) To determine the correct $IUPAC$ name,we must identify the longest carbon chain and number it such that substituents get the lowest possible locan

Vedclass · Accepted Answer

$3-$ethyl$-2-$methylpentane

Vedclass · Answer

(D) To determine the correct $IUPAC$ name,we must identify the longest carbon chain and number it such that substituents get the lowest possible locants.$1$. For option $A$: The structure $4-(1, 1-$dimethylethyl$)-2-$methylpentane corresponds to a chain that is not the longest. The longest chain would be a heptane derivative.$2$. For option $B$: $1-$aminobutan$-1-$one is not a valid $IUPAC$ name for the structure shown (which is butanamide).$3$. For option $C$: $2-$ethyl$-3-$methylpentane is incorrect because the longest chain is actually a hexane chain ($3, 4-$dimethylhexane).$4$. For option $D$: $3-$ethyl$-2-$methylpentane is a correct $IUPAC$ name for the structure shown in the image,as it correctly identifies the longest chain (pentane) and the positions of the substituents ($2-$methyl and $3-$ethyl).

Which of the following is a correct $IUPAC$ name?

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