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Q. The formation of 2‐butene as a major product by dehydration of 2‐butanol is in accordance with

AIIMSAIIMS 1994Hydrocarbons

Solution:

According to Saytzeff’s rule, in the dehydration of secondary and tertiary alcohols, when there is a possibility of formation of two isomers, the hydrogen atom is preferentially eliminated from the adjacent carbon atom with the fewer number of hydrogen atoms.

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