Topic: Tollen's Test
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What is the mechanism for the Tollens' test?
Tollen's test is an old oxidation reaction in which the oxidizing agent is a complex cation, diamminesilver(I), (NH3)2Ag+, and the reducing agent is probably the anion of an aldehyde hydrate, which for formaldehyde could be written as HOCH2... Read More »
Source: http://wiki.answers.com/Q/What_is_the_mechanism_for_the_Tollens'_...
What is Tollen's test?
A test for the presence of glycuronic acid in urine as an indicator of liver function. Read More »
Source: http://www.answers.com/topic/tollen-s-test
What is Tollen's aldehyde test?
( ′täl·ənz ′al·də′hīd ′test ) (analytical chemistry) A test that uses an ammoniacal solution of silver oxides to test for aldehydes and ketones. Read More »
Source: http://www.answers.com/topic/tollen-apos-s-aldehyde-test
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Tollen's Test
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A silverish ppt. Called "silver mirror"
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Source: http://wiki.answers.com/Q/How_is_a_positive_tollen's_test_recogni...
I'm not sure, but tollens test use <Ag(NH 3 ) 2 > + OH - IF it passed oxidation, so it was a aldehyde a keton group needs a stronger oxi. reagent
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Source: http://wiki.answers.com/Q/What_is_the_principle_of_tollen's_test_...
The Tollens' test is important in carbohydrate chemistry, for proof... ...MORE...
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Source: http://www.chacha.com/question/what-is-tollens-test
Only aldehydes give a positive Tollens test. However, under the strongly basic conditions of the test, alpha-hydroxy ketones can isomerize to aldehydes, so they will also give a positive Tollens test. Fructose is an alpha-hydroxy ketone.
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Source: http://wiki.answers.com/Q/Why_fructose_gives_positive_tollen_reag...
The Tollens' reagent is meant to identify aldehyde compounds. However, it also gives positive results for methanoic acid (formic acid) and alpha-hydroxy ketones. So, if you were looking for an aldehyde, either of these compound types would ...
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Source: http://wiki.answers.com/Q/What_substances_give_a_positive_tollens...
mostly aldehydes, alpha hydroxy ketones also test silver positive while alkynes test yellow and everthing else tests clear negative.
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Source: http://wiki.answers.com/Q/Which_Compounds_that_give_a_positive_to...
