Convert: 1)phenol to chlorobenzene 2) ethyne to cis but-2-ene 3)Iso-propyl bromide to n-propylbromide 4)Benzene to p-chlorotoluene 5)Acetylene to Cis-but-2-ene

1)phenol to chlorobenzene



2)Ehtyne to cis-2-Butene


3) Isopropyl bromide to n-propylbromide

CH₃CHBrCH₃ + alc. KOH  →  CH₃CH=CH2  + KBr + H₂O

   CH₃CH=CH₂ + HBr   CH₃CH₂CH₂Br

4) benzene to p-Chlorotoluene


5)Acetylene to Cis-but-2-ene is same as Ehtyne to cis-2-Butene