1.

Assertion : 2-Butanol on heating with H_2SO_4 gives 1-butenol on heating with H_2SO_4gives 1 - butaenol follows Sytzeff's rule.

Answer»

if both assertion and reason are true and reason is thr correct explanationof assertion
If both assertion and reason are true but reason is not the correct explanation of assertion
If assertion is true but reason is false
If both assertion and reson are false.

SOLUTION :Saytzaff's rule: The alkene formed ingreatest amount is the one that corresponds to REMOVAL of the hydrogen from the `beta ` carbon havind the fewest hydrogen substituent.
In CASE of ` 2^@` and `3^@`alc. Saytzeff's rule is followend
`H_3C-CH_2underset(OH)underset(|)CH-CH_3underset((1:1))OVERSET(H_2O_4)rarrH_3"CC"H=CH-CH_3+H_2O`


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