1.

Acetone is treated with excess of ethanol in the presence of hydrochloric acid. The product obtained is

Answer»

`CH_(3)CH_(2)CH_(2)-overset(O)overset(||)(C )-CH_(3)`
`CH_(3)CH_(2)CH_(2)-overset(O)overset(||)(C )-CH_(2)CH_(2)CH_(3)`

Solution :`CH_(3)-UNDERSET(O)underset(||)(C )-CH_(3)overset(C_(2)H_(5)OH)rarrunderset("Hemiacetal")(CH_(3)-overset(""OC_(2)H_(5))overset(|)underset(darr)underset(OH)underset(|)(C)-CH_(3))overset(C_(2)H_(5)OH)rarr underset("Acetal")(CH_(3)-overset(""OC_(2)H_(5))overset(|)underset(darr)underset(""OC_(2)H_(5))underset(|)(C)-CH_(3)`


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