1.

When is reduced with, the compound obtained will be

Answer»

`CH_(3) - CH_(2) -`COOH
`CH_(2) = CH - CH_(2)` OH
`CH_(3) - CH_(2) - CH_(2)`OH
`CH_(3) - CH_(2) - `CHO

Solution :Li`[AlH_(4)]` reduces the carboxylic ACID group to the ALCOHOL LEAVING the unsaturation unaffected.
`CH_(3) "COOH" + PCl_(5) rarr "COCl" UNDERSET("Anhy AlCl"_(3))overset(C_(6)H_(6))(rarr) C_(6) H_(5) - COCH_(3)`


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