Question

What do we mean by spiro compound?

• A. Organic compounds with 1 common atom.
• B. An organic compound with 2 or more rings with at least 2 rings having a common atom.
• C. Organic compounds with rings. The rings have at least 2 common atoms.
• D. None of these

Answer 1

The correct option is B An organic compound with 2 or more rings with at least 2 rings having a common atom.

A spiro compound is usually an organic compound with 2 or more rings, in which 2 or 3 rings are linked together by exactly 1 common atom.