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Preparation of Carboxylic Acids

which is bett...

Question

which is better reducing agent between tollens reagent or fehling solution?

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Solution

Dear student,
Ag+ is a stronger oxidizer than Cu2+, which would make Tollens reagent a better reducing agent than Fehlings reagent. This is supported by the fact that Tollens reagent reacts with both aliphatic and aromatic aldehydes, whereas Fehlings' does not react with aromatic aldehydes.
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