Which of the following compounds can have a double bond?
C4H10; C5H8; C5H10
C5H10 can have a double bond because it satisfies the general formula for alkenes i.e., CnH2n. Here, there are 5 carbon atoms; hence, n is 5. Substituting n in the formula CnH2n, we get, `C_5H_(2xx5)=C_5H_10`