IUPAC name of the following compound
3-ethyl-2,4-dimethyl pent-2-ene
3-ethyl-2,4-dimethyl pent-3-ene
3-isopropyl-2-methyl pent-2-ene
None
Parent Prefix will appear as pent- with an alkene modifier
2 methyls and ethyl is present at C2, C4, and C3 respectively
IUPAC name is 3-ethyl-2,4-dimethyl pent-2-ene
Therefore, option (1) is correct.