As Salaam-u-alaikum friends Today we study about nomenclature of alkene. IUPAC rule for naming of alkene 1.Select the longest continues carbon chain having at least one double bond. 2.In parent chain ending word alkane (ane) is replace by alkene (ene). Numbering the chain from the side where double bond come earlier. 3. Mentioned the position of double bond. 4.If more than two double bands are present in a chain then mentioned of double bond and prefixes di, tri, are used. 5.While naming the he chain 1stly named the substituent and while numbering prefer the double bond. #Noise.cash. #NoiseCash