What is the IUPAC name of crotonyl alcohol? | vedclass

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(B) The chemical structure of crotonyl alcohol is $CH_3CH=CHCH_2OH$.In the $IUPAC$ nomenclature,the longest carbon chain containing the functional gro

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$but-2-en-1-ol$

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(B) The chemical structure of crotonyl alcohol is $CH_3CH=CHCH_2OH$.In the $IUPAC$ nomenclature,the longest carbon chain containing the functional group $(-OH)$ and the double bond is selected.The numbering starts from the carbon attached to the $-OH$ group to give it the lowest possible locant.Thus,the chain has $4$ carbons,the double bond starts at position $2$,and the alcohol group is at position $1$.The correct $IUPAC$ name is $but-2-en-1-ol$.

What is the $IUPAC$ name of crotonyl alcohol?

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What is the $IUPAC$ name of crotonyl alcohol?

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Give $IUPAC$ name of the following:
$(i)$ $CH_3CH_2CH=CHCOOH$
$(ii)$ $CH_2=C(CH_3)-CH(CH(CH_3)_2)-C(CH_3)_3$