Choose the correct IUPAC name of the compound | vedclass

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Question

(B) To name the compound $CH_3-CH(CH_3)-CH(CH_3)-C\equiv C-CH_3$ according to $IUPAC$ rules:$1$. Identify the longest carbon chain containing the trip

Vedclass · Accepted Answer

$4,5-$dimethyl-$2-$hexyne

Vedclass · Answer

(B) To name the compound $CH_3-CH(CH_3)-CH(CH_3)-C\equiv C-CH_3$ according to $IUPAC$ rules:$1$. Identify the longest carbon chain containing the triple bond. The chain has $6$ carbons,so the parent alkane is $hexane$.$2$. Number the chain from the end that gives the triple bond the lowest possible locant. Numbering from right to left,the triple bond starts at carbon $2$.$3$. Identify the substituents: there are two methyl groups at positions $4$ and $5$.$4$. Combining these,the name is $4,5-$dimethyl-$2-$hexyne.

Choose the correct $IUPAC$ name of the compound $CH_3-CH(CH_3)-CH(CH_3)-C\equiv C-CH_3$.

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The $IUPAC$ name of $CH_3-CH_2-CH(CH_3)-CH_2-CH_2-CH_3$ is

Draw the structures of the following compounds:
$(a)$ $3, 4-$dimethylhexane
$(b)$ $4, 5-$diethyl$-5-$methylnonane
$(c)$ Methylcyclopentane
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$(e)$ Buta$-1, 3-$diene
$(f)$ Buta$-1, 3-$diyne
$(g)$ Hexa$-1, 3-$diene$-5-$yne

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