The unsaturated ether on acidic hydrolysis produces carbonyl compounds as shown below:- CH3 – CH = CH – O – CH = CH2 ( ) H O CH3 – CH2 – CH = O and O = CH – CH3 Based on this, predict the solution / r

Question

The unsaturated ether on acidic hydrolysis produces carbonyl compounds as shown below:- CH3 – CH = CH – O – CH = CH2 ( ) H O CH3 – CH2 – CH = O and O = CH – CH3 Based on this, predict the solution / reagent that will help to distinguish “P” and “Q” obtained in the following reaction. CH3 – CH = CH – O – C = CH2 CH3 ( ) H O P + Q

(A) Lucas reagent
(B) 2,4-DNP reagent
(C) Saturated NaHSO3 solution
(D) Fehling solution

Prashant Kotian · Accepted Answer

Correct answer: D. O H O/H  O CH3– CH2–C–H 'P' + O 'Q 'P' and 'Q' can be differentiated by Fehling's test. P gives positive Fehling test Q gives negative Fehling test

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