Question

question 19 (1 point)
what is the iupac name for the compound ch₃ - ch = ch - ch₂ - ch₃?
2,3 - pentene
4 - pentene
3 - pentene
pentene
2 - pentene

Explanation:

The compound $\mathrm{CH_3CH=CHCH_2CH_3}$ has a five - carbon chain (pent -) with a double bond between the second and third carbon atoms. According to IUPAC rules for naming alkenes, the position of the double bond is indicated by the lower - numbered carbon atom involved in the double bond. So it is 2 - pentene.

Answer:

E. 2 - pentene