1.

A tertiary alcohol H upon acid- catalyzed dehydration gives a product I. Ozonolysis of to compounds J and K. Compound J upon reaction with KOH gives benzly alcohol and a compound L, whereas K on reaction with KOH gives only M. The structures of compound J,K and L respectively , are

Answer»

`PhCOCH_(3),PhCH_(2)COCH_(3)`and`PhCH_(2)COO^(-)K^(+)`
`PhCHO,PhCH_(2)CHO`and`PhCOO^(-)K^(+)`
`PhCOCH_(3),PhCH_(2)CHO`and`CH_(3)COO^(-)K^(+)`
`PhCHO,PhCOCH_(3)`and` PhCOO^(-)K^(+)`

Solution :`H=Ph-CH_(2)underset(CH_(3))underset(|)overset(OH)overset(|)(C)-PhI=Ph-CH=underset(CH_(3))underset(|)(C)-Ph" " K=Ph-underset(O)underset(||)(C) -CH_(3)`
`underset((J))(Ph-CHO)overset(OH^(-))underset(("CANNIZARO reaction"))to underset((L))(Ph-CH_(2)OH+Ph-COO^(-)K^(+)`


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