A) 1, 2 - dimethyl cydopropyl cyclohexane
B) 1, 2 - dimethyl spiro [2, 5] octane
C) 7, 8 - dimethyl spiro [5, 2] octane
D) 1, 2- dimethyl bicyclo [5, 2] octane
Correct Answer: B
Solution :
Two rings with one common atom produce produced a Spiro ring system. Numbering follows the smaller path first, passing through the Spiro carbon and around the second ring.
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