Assertion: 2-Butanol on heating with H2SO4 gives 1-butene and 2-butene.
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hhhhhAddition of a H+
leads to the formation of a carbocation by π-electron displacement. The most stable carbocation (which is the 3° carbocation) is formed.
OH−
from water adds to the carbocation forming alcohol - 2-methyl-butan-2-ol which does not exhibit stereoisomerism.
This can also be treated as Markownikov's hydration of alken
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