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Problem 2 - Olympiad
The correct IUPAC name of the compound CH2=C(Cl)-CH3 is:
A. 3-Chlorobut-1-ene
B. 2-Chloropropane
C. 1-Chloroprop-2-ene
D. None of the above
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Correct: C
The correct name is 1-chloroprop-2-ene, assigning the lowest number to the double bond (numbering from left gives position 1 for Cl and 2 for double bond).