Which of the substances interacts with metallic sodium to obtain ethane?
| August 12, 2021 | education
Which of the substances interacts with metallic sodium to obtain ethane? 1.dichloropropane 2.cyclopropane 3.chloromethane 4. ethanol.
Ethane can be obtained by reacting chloromethane with metallic sodium. This is Würz’s reaction.
2CH3Cl + 2Na = CH3-CH3 + 2NaCl
Answer: 3. Chloromethane.
With ethanol, sodium will form an alcoholate, the reaction proceeds with the evolution of hydrogen: C2H5OH + Na = C2H5ONa + (1/2) H2
Cyclopropane does not interact with sodium.
Reaction of dichloropropane with sodium will give a mixture of products.
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