1.

Distinguish between the following:- (a) Phenol and alcohol (b) Benzaldehyde and Propanal (c) Acetic acid and formic acid

Answer»

(a) Phenol : It gives FeCl3 test(violet colour) 

Alcohol : It doesn't give this test 

(b) Benzaldehyde: 

  • It gives tollen's test 
  • It doesn't give Fehling test. 

Propanal : 

  • It also give tollen's reagent test 
  • It gives fehling solution test 

(c) Acetic acid : 

  • It doesn't gives tollen's reagent . 
  • It doesn't give fehling's test 

Formic acid : 

  • It gives tollen's test 
  • It gives fehling test.


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