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Tuesday, January 28, 2020

Which are the compounds gives positive Tollen's test?

More general Tollen's test use for distinguishing between aldehyde and ketones here aldehyde gives positive Tollen's test while ketones gives negative Tollen's test.
But also 
Aldehyde, 
Alpha hydroxy ketone ,
Terminal alkyne, 
Halides ions, 
Alkyl hydroxy amines , 
Formic acid(only acid gives Tollen's test) Chatechol (Benzene1,2-diol),  
Hemiacetal,
Aromatic aldehyde such as Benzaldehyde  give positive Tollen's test.

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