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Why are 2,4-dinitrophenylhradrazones better derivatives than phenylhydrazones
Accepted Answer
2,4-dinitrophenylhydrazones are better derivatives for identifying ketones and aldehydes than phenylhydrazones because they have a higher melting point and are more crystalline. This is due to the electron-withdrawing effect of the nitro groups, which increases the polarity of the molecule and strengthens intermolecular interactions.
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