(Solved): 20) What is the IUPAC name of J. A) 1-methyl-2,3-dichlorocyclopentane B) 1,2-dichloro-3-methylcycl ...

20) What is the IUPAC name of J. A) 1-methyl-2,3-dichlorocyclopentane B) 1,2-dichloro-3-methylcyclobutane C) 1,2-dichloro-3-methylcyclopentane D) 1,2-dichloro-3-methylpentane E) 3-methyl-1,2-dichlorocyclopentane 21) What is the IUPAC name of this alkane? CH3 I CH3 - C - CH2 - CH - CH3 1 CH3 CH2 - CH3 A) 2-ethyl-2,2-dimethylpentane B) 3,5,5-trimethylhexane C) 4-ethyl-2,2-dimethylpentane D) 2,2,4-trimethylhexane E) 2-ethyl-4,4-dimethylpentane 22) The IUPAC name for CH3 -Cl is A) methanechlorine. B) chloroethane. C) methane chloride. D) chloromethane. E) methyl chloride CH3 ?