Question 41

$$\text{CH}_3\text{CH}_2\text{Br} + \text{CH}_3\text{CH(CH}_3)\text{CH}_2\text{Br} \xrightarrow[\text{dry ether}]{\text{Na}}$$ Products<br>In the above wurtz reaction, maximum no. of carbon atoms in one of the products is ____


Correct Answer: 8

Solution

With two different alkyl halides the Wurtz reaction gives all three couplings. Ethyl with ethyl gives butane (4 C), ethyl with isobutyl gives 2-methylpentane (6 C), and isobutyl with isobutyl gives 2,5-dimethylhexane (8 C). The maximum is 8 carbon atoms.

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