The IUPAC name of the compound having the formula CH≡ C-CH=CH2 is -

Question

The IUPAC name of the compound having the formula CH≡ C-CH=CH2 is - (A) 1-butene-3-yne (B) 3-buten-1-yne (C) 1-butyn-3-ene (D) but-1-yn-3-ene

Tardigrade Admin · Accepted Answer

As triple bond is present at carbon no. 3 and double bond is present at carbon no. 1 so IUPAC name of compound is 1 - butene - 3- yne. In numbering double bond is given preference if from both side alkene and alkyne functional group are present at same numbers.

1-butene-3-yne C H 4 \equiv C 3 - C H 2 = C H_{2} 1

Q. The IUPAC name of the compound having the formula CH≡C−CH=CH2​ is -

1-butene-3-yne

3-buten-1-yne

1-butyn-3-ene

but-1-yn-3-ene

Q. The $I U P A C$ name of the compound having the formula $C H \equiv C - C H = C H_{2}$ is -