How many geometrical isomers of this cyclodecene are possible ?

Only 2 geometrical isomers are possible. So option (b) is correct. GENERAL ORGANIC CHEMISTRY 76 The above shown 2 structures are equivalent. They are cis-cyclodecene and trans-cyclodecene. 21. The number of isomers for the compound with the molecular formula C₂BrClFI is (a) 3 (b) 4 (c) 5 (d) 6 Hence 6 isomers are possible.