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Which of the following is an incorrect name according to `IUPAC?`
A. `2-`Cyclopropyl butane
B. Cyclohexyl cyclohexane
C. `1-`bromo`-2,2-`dichloro cyclobutane
D. `1-`cyclobutyl cyclobutane

1 Answer

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Best answer
Correct Answer - c
Here, the parent ring is wrongly numbered.
image
`2-`bromo`-1,1-`dichlorocyclobutane
Correct number series `:1,1,2`
Wrong number series `: 1,2,2`
`(` lower number coming at first occasion of difference is the correct number series `).`

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