The UPAC name of the compound C H_2 = CH - C H_2 - C H_2 - C CH i… - Vidyadip

MCQ

The $UPAC$ name of the compound $C{H_2} = CH - C{H_2} - C{H_2} - C \equiv CH$ is

A
$1, 5-$hexenyne
B
$1-$hexyne$-5-$ene
C
$1, 5-$hexynene
✓
$1-$hexene$-5-$yne

✓

Answer

Correct option: D.

$1-$hexene$-5-$yne

d
The double bond gets priority over the triple bond.

So, the IUPAC name of the given formula is hex-$1$-en-$5$-yne or $1$-hexene-$5$-yne.

$\stackrel{1}{ CH _2}=\stackrel{2}{ CH }-\stackrel{3}{ CH _2}-\stackrel{4}{ C } H _2-\stackrel{5}{ C } \equiv \stackrel{6}{ CH }$

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