Question

Write the equations for the preparation of 1-iodobutane from
(i) 1-butanol , (ii) 1-chlorobutane , (iii) but-1-ene.

Answer 1

(a). `underset("Butan-1-ol")(CH_(3)CH_(2)CH_(2)CH_(2))OH+Hitounderset("1-Iodobutane")(CH_(3)CH_(2)CH_(2)CH_(2)I)+H_(2)O` ltb rgt (b). `underset("1-Chlorobutane")(CH_(3)CH_(2)CH_(2)CH_(2)Cl)+NaIunderset(("acetone"))overset((CH_(3)OH))tounderset("1-Iodobutane")(CH_(3)CH_(2)CH)_(2)CH_(2)I+NaCl`
(c). `underset("But-1-ene")(CH_(3)CH_(2)CH=CH_(2))+HBr overset(("peroxide"))tounderset("1-Bromobutane")(CH_(3)CH_(2)CH_(2)CH_(2))Brunderset((CH_(3)OH))overset(KI)tounderset("I-Iodobutane")(CH_(3)CH_(2)CH_(2)CH_(2)I)`