NEET2008ChemistryAlcohols Phenols and EthersActual
Assertion : 2-Butanol on heating with ( H ₂ SO ₄ ) gives 1-butene and 2-butene. Reason : Dehydration of 2-butanol follows Saytzeff's rule.
Options
- AIf both assertion and reason are true and reason is the correct explanation of assertion.
- BIf both assertion and reason are true but reason is not the correct explanation of assertion.
- CIf assertion is true but reason is false.
- DIf both assertion and reason are false.
Correct answer
A. If both assertion and reason are true and reason is the correct explanation of assertion.
Step-by-step solution
(a) : Saytzeff's rule : The alkene formed in greatest amount is the one that corresponds to removal of the hydrogen from the -carbon having the fewest hydrogen substituent. In case of 2^ and 3^ alc. Saytzeff's rule is followed