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| 1. |
Why are secondary and tertiary alcohols not suitable for praparing ethers by dehydration with conc. `H_(2)SO_(4)` ? |
| Answer» Both secondary and tertiary alcohols react wih conc. `H_(2)SO_(2)` according to `S_(N^(1))` mechanism in which carbocation intermediates are formed. These intermediates preferbly lose a `H^(+)` ion from `beta` carbon leading to alkenes as a result of elimination rather than taking part in subsitutio reactions forming ethers. | |