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Organic 2 Lab Identification Tests
organic chemistry lab identification tests
13
Organic Chemistry
Undergraduate 2
05/06/2010

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Cards

Term
2,4-DNP Test
Definition
Positive for aldehydes and ketones
Term
Chromic Acid Test
Definition
Positive for aldehydes, negative for ketones
positive for 1o and 2o alcohols, negative for 3o
Term
Tollen's Test
Definition
Positive for aldehydes, negative for ketones
Term
Iodoform Test
Definition
Positive for methyl ketone and acetaldehydes
**methyl carbinols also positive
Term
Ceric Nitrate Test
Definition
Positive cor alcohols and phenols
*color doesn't fade for 3o alcohols
Term
Lucas Test
Definition
Positive for 3o and 2o alcohols, no reaction with 1o unless allyl/benzyl
Term
Br2/H20
Definition
Positive for phenols
Term
Ferric Chloride
Definition
Positive for phenols, negative for sterically hindered phenols
Term
Chloroform-Aluminum Chloride Test
Definition
Positive for aromatic compounds
Term
Hinsberg Test
Definition
1o amine - ppt after HCl added
2o amine - ppt initially
3o amine - no reaction
Term
Ferrous Hydroxide
Definition
Positive for Nitro
(NO2 to NH2)
Term
Ferric Hydroxomate
Definition
Positive for amides, esters, nitriles
(1o and 2o nitro also positive)
Term
Br2/CH2Cl2
Definition
Positive for Alkenes and Alkynes
(ketones/aldehydes with alpha H also positive)
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