Advertisements
Advertisements
Question
How will you prepare n propyl iodide from n-propyl bromide?
Advertisements
Solution
n-propyl bromide on heating with a concentrated solution of sodium iodide in dry acetone gives n-propyl iodide. This SN2 reaction is called Finkelstein reaction.
\[\ce{\underset{\text{n – propyl iodide }}{CH3 - CH2 - CH2Br} + NaI ->[Acetone] \underset{\text{n-propyl iodide}}{CH3 - CH2 - CH2}I + NaBr}\]
APPEARS IN
RELATED QUESTIONS
What should be the correct IUPAC name of diethyl chloromethane?
Which of the following reagent is helpful to differentiate ethylene dichloride and ethylidene chloride?
Classify the following compound in the form of alkyl, allylic, vinyl, benzylic halides.
\[\begin{array}{cc}\ce{CH3 - CH - CH3}\\
|\phantom{..}\\\ce{Br}\end{array}\]
Why chlorination of methane is not possible in dark?
How does chlorobenzene react with sodium in the presence of ether? What is the name of the reaction?
Write a chemical reaction useful to prepare the following:
Freon – 12 from Carbon tetrachloride
Discuss the environmental effects of freons.
Explain the preparation of the following compound.
Chloroform
Explain the preparation of the following compound.
Biphenyl
Two isomers (A) and (B) have the same molecular formula C2H4Cl2. Compound (A) reacts with aqueous KOH gives compound (C) of molecular formula C2H4O. Compound (B) reacts with aqueous KOH gives compound (D) of molecular formula C2H6O2. Identify (A), (B), (C) and (D).
