1)

1 -Propanol and 2-propanol can be distinguished by


A) oxidation with alkaline KMnO4 followed by reaction with Fehling solution

B) oxidation with acidic dichromate followed by reaction with Fehling solution

C) oxidation by heating with copper followed by reaction with Fehling solution

D) oxidation with concentrated H2SO4 followed by reaction with Fehling solution

Answer:

Option C

Explanation:

(a) CH3CH2CH2OHalk.KMnO4orK2Cr2O7/H+CH3CH2CHO

CH3CH2COOHFehlingsol.NoReaction

(b) CH3CHOHCH3alk.KMnO4orK2Cr2O7/H+CH3COCH3

CH3COOHFehlingsol.NoReaction

(c) CH3CH2CH2OHCuCH3CH2CHOFehlingsol.Cu2O(Red)

CH3CHOHCH3CuCH3COCH3Fehlingsol.Noreaction

(d) CH3CH2CH2OH OR

CH3CHOHCH3Conc.H2SO4CH3CH=CH2