Question

The name of the compound is spiro[2.5]octane.
If true enter 1, else enter 0.

Answer 1

The compound is a spiro compound with total 8 carbon atoms. The first number (2) in the square bracket corresponds to the two carbon atoms on right hand side of the central carbon atom whereas the second number (5) corresponds to the five carbon atoms on the left side of the central carbon atom. Hence, the IUPAC name of this compound is spiro[2.5]octane.

The correct answer is 1.