Question

24. The IUPAC name of
(1) Spiro [2, 4] heptane
(2) Spiro [4,2] heptane
(3) Bicyclo [4, 2] heptane
(4) Both (2) & (3)​

Answer 1

Answer:

I think option (4) is wrong because it should be (1) & (2) both