GENERAL ORGANIC CHEMISTRY
231823
IUPAC name of the following compound is-
1 3-propyl cyclo $[3,6]$ octane
2 1-ethyl tricyclo $[2,3,0]$ heptane
3 1-ethyl bicyclo $[2,2,1]$ heptane
4 4-ethyl bicyclo $[2,2,2]$ heptane
Explanation:
(C) :

1-ethyl bicyclo $[2,2,1]$ heptane
Bridge head carbon largest chain $\rightarrow$ smallest chain