For the following compounds,write structural formulas and $IUPAC$ names for all possible isomers having the number of double or triple bonds as indicated:
$(a)$ $C_4H_8$ (one double bond)
$(b)$ $C_5H_8$ (one triple bond)
$(a)$ $C_4H_8$ (one double bond)
$(b)$ $C_5H_8$ (one triple bond)
(N/A) $C_4H_8$ (one double bond):
$1.$ $CH_2=CH-CH_2-CH_3$ $(But-1-ene)$
$2.$ $CH_3-CH=CH-CH_3$ $(But-2-ene)$
$3.$ $CH_2=C(CH_3)-CH_3$ $(2-Methylprop-1-ene)$
$(b)$ $C_5H_8$ (one triple bond):
$1.$ $CH \equiv C-CH_2-CH_2-CH_3$ $(Pent-1-yne)$
$2.$ $CH_3-C \equiv C-CH_2-CH_3$ $(Pent-2-yne)$
$3.$ $CH \equiv C-CH(CH_3)-CH_3$ $(3-Methylbut-1-yne)$
$1.$ $CH_2=CH-CH_2-CH_3$ $(But-1-ene)$
$2.$ $CH_3-CH=CH-CH_3$ $(But-2-ene)$
$3.$ $CH_2=C(CH_3)-CH_3$ $(2-Methylprop-1-ene)$
$(b)$ $C_5H_8$ (one triple bond):
$1.$ $CH \equiv C-CH_2-CH_2-CH_3$ $(Pent-1-yne)$
$2.$ $CH_3-C \equiv C-CH_2-CH_3$ $(Pent-2-yne)$
$3.$ $CH \equiv C-CH(CH_3)-CH_3$ $(3-Methylbut-1-yne)$
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