Match the following :
`{:("Column I",,"column II"),("(a) Compounds which give three dichloro derivaties",,"(p) Chlorocyclohexane"),("(b) Ethanol",,"(q) Give chloroform with bleaching powder"),("(c) Acetone",,"(r) 2-chloropropane"),("(d) Give propene on treatment with alcoholic KOH",,"(s) 1-chloropropane"):}`