CH3CH2Br+Na→ ether CH3−CH3+NaBr\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{Br}+\mathrm{Na} \xrightarrow{\text { ether }} \mathrm{CH}_{3}-\mathrm{CH}_{3}+\mathrm{NaBr}CH3CH2Br+Na ether CH3−CH3+NaBr
CH3−CH2Br+NaCl→ alcohol CH3−CH3+Cl+2NaBr\mathrm{CH}_{3}-\mathrm{CH}_{2} \mathrm{Br}+\mathrm{NaCl} \xrightarrow{\text { alcohol }} \mathrm{CH}_{3}-\mathrm{CH}_{3}+\mathrm{Cl}+2 \mathrm{NaBr}CH3−CH2Br+NaCl alcohol CH3−CH3+Cl+2NaBr
2CH3Br+2Na→ alcohol CH3−CH3+2NaBr2 \mathrm{CH}_{3} \mathrm{Br}+2 \mathrm{Na} \xrightarrow{\text { alcohol }} \mathrm{CH}_{3}-\mathrm{CH}_{3}+2 \mathrm{NaBr}2CH3Br+2Na alcohol CH3−CH3+2NaBr
2CH3CH2Br+2Na→ ether CH3−CH2−CH2−CH3+2NaBr2 \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{Br}+2 \mathrm{Na} \xrightarrow{\text { ether }} \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{CH}_{2}-\mathrm{CH}_{3}+2 \mathrm{NaBr}2CH3CH2Br+2Na ether CH3−CH2−CH2−CH3+2NaBr
2CH3CH2Br+Mg→CH3−CH3+2MgCl22 \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{Br}+\mathrm{Mg} \rightarrow \mathrm{CH}_{3}-\mathrm{CH}_{3}+2 \mathrm{MgCl}_{2}2CH3CH2Br+Mg→CH3−CH3+2MgCl2