MHT CET · Chemistry · Hydrocarbons
Which of the following is NOT formed when a mixture of methyl bromide and n-propyl bromide is treated with sodium metal in dry ether?
- A Butane
- B Propane
- C Ethane
- D Hexane
Answer & Solution
Correct Answer
(B) Propane
Step-by-step Solution
Detailed explanation
\(\mathrm{CH}_3-\mathrm{Br}+\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{Br}\) \(\underset{\text { dry ether }}{\longrightarrow} \mathrm{CH}_3-\mathrm{CH}_3 \text { ethane }\)
\(\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{CH}_2\) \(-~\mathrm{CH}_3 \text { n-hexan }\)
\(\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{CH}_3 \text { n-butane}\)
Thus, propane is not formed.
\(\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{CH}_2\) \(-~\mathrm{CH}_3 \text { n-hexan }\)
\(\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{CH}_3 \text { n-butane}\)
Thus, propane is not formed.
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