The correct options are
B It's an alkene
C General formula of the compound is CnH2n
The given compound is an unsaturated hydrocarbon because it contains a C=C bond. It is an alkene having the general formula CnH2n. The given compound is numbered as shown below.
CH36−CH25−CH24−CH3=CH2−CH31
∙ The compound has six carbon atoms in it and hence, the word root is 'hex'.
∙ It has a double bond between the second and the third carbon atoms and hence, the suffix will be '2-ene'.
Therefore, the IUPAC name of the given compound is hex-2-ene.