1-Butanol is heated withconcentrated sulphuricacidat 443 k.

1.	1-Butanol is heated withconcentrated sulphuricacidat 443 k.
Answer» SOLUTION :But-2-eneis OBTAINED asthemajorproduct. Firstn-butyl `(1^(@))` carbocationis formed. Thisbeinglesssstablerearranges to a morestable `2^(@)` CARBOCATION whichsubsequently losesa protonto formbut-2-ene inaccordance withSaytzeff rule. `underset(("More stable "))underset(2^(@) "Butyl carbocation ")(CH_(3)-CH_(2) -OVERSET(+)(CH) -CH_(3)) overset(-H^(+))underset(("Saytzeff elimiN/Ation"))(to) underset("But -2-en (80 %)")(CH_(3)CH =CHCH_(3))+ underset("But -1-ene (20%)")(CH_(3) CH_(2) CH=CH_(2)`

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