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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