question_answer

IUPAC name of

A)  1, 2-dimethyl cyclobutane and 2, 3-dimethyl butene

B)  1, 2-dimethyl cyclobut 1-ene and 3, 4-dimethyl cyclo-but-1-ene

C)  2, 3-dimethyl cyclobutene and 2, 3-dimethyl cyclobutane

D)  2, 3-dimethyl butene and 1, 2-dimethylcyclobut-1-ene

Correct Answer: B

Solution :

\[Substituent -2C{{H}_{3}}-1, \,2\, dimethyl\] Parent chain-cyclobutene IUPAC name = 1, 2 dimethyl cyclo but 1-ene