Which of the following is NOT obtained when mixture of methyl bromide and ethyl bromide is treated with sodium metal in presence of dry ether?

Step-by-step solution

Wurtz reaction of alkyl halides with sodium in dry ether yields alkanes via self-coupling and cross-coupling. For methyl bromide ( CH₃Br ) and ethyl bromide ( CH₃CH₂ Br ), the products arise from three distinct pathways. Self-coupling of methyl bromide: 2 CH₃Br + 2 Na dry ether CH₃CH₃ + 2 NaBr , yielding ethane. Self-coupling of ethyl bromide: 2 CH₃CH₂ Br + 2 Na dry ether CH₃CH₂CH₂CH₃ + 2 NaBr , yielding butane. Cross-coupling: CH₃Br + CH₃CH₂ Br + 2 Na dry ether CH₃CH₂CH₃ + 2 NaBr , yielding propane. The alkanes ob