Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Open MARKS Web Download App
Search any question & find its solution
Question: Answered & Verified by Expert
An alkyl bromide $(X)$ reacts with sodium in ether to form 4,5 -diethyl octane, the compound $X$ is
ChemistryHydrocarbonsKCETKCET 2013
Options:
  • A $\mathrm{CH}_{3}\left(\mathrm{CH}_{2}\right)_{3} \mathrm{Br}$
  • B $\mathrm{CH}_{3}\left(\mathrm{CH}_{2}\right)_{5} \mathrm{Br}$
  • C $\mathrm{CH}_{3}\left(\mathrm{CH}_{2}\right)_{3} \mathrm{CH}(\mathrm{Br}) \mathrm{CH}_{3}$
  • D $\mathrm{CH}_{3}-\left(\mathrm{CH}_{2}\right)_{2}-\mathrm{CH}(\mathrm{Br})-\mathrm{CH}_{2}-\mathrm{CH}_{3}$
Solution:
2572 Upvotes Verified Answer
The correct answer is: $\mathrm{CH}_{3}-\left(\mathrm{CH}_{2}\right)_{2}-\mathrm{CH}(\mathrm{Br})-\mathrm{CH}_{2}-\mathrm{CH}_{3}$
Alkyl halides react with metallic Na in presence of dry ether to form symmetrical alkanes containing double the number of carbon atoms present in the alkyl halide.



This reaction is called Wurtz reaction.

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.

Use on iOS or Desktop Download from Google Play