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    hi, i was just wondering what the positive test for a carbonyl compound would be
    thanks
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    using 2 4 dinitrophenylhydrazine solution ... forms a yellow or orange precipitate with carbonyl compounds ...

    i dont think with carboxylic acids though .... for tht u use sodium bicarbonate .... forms C02 gas
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    yea it forms a orange preciptiate only with ketones and aldehydes but not with carb acids because the coh bit causes some kind of dipole or something to the double bond

    isnt a level chemistry all finished now?
 
 
 
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