All of the following tests are used to identify aldehydes except
Correct answer: C. Bacyer test
- A. Talons test
- B. Fehling test
- C. Bacyer test
- D. Benedict test
Explanation
Bacyer's test is not used to identify aldehydes. Instead, it is used to detect the presence of unsaturation in organic compounds, such as alkenes and alkynes.
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About Reactivity of Aldehydes and Ketones
The polar carbonyl group makes aldehydes and ketones undergo nucleophilic addition, reduction and condensation reactions. Aldehydes are generally more reactive and oxidise readily to carboxylic acids, whereas ketones resist mild oxidation; reactions with hydrogen cyanide, sodium bisulfite and 2,4-DNP help identify their behaviour.
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