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प्रश्न
Which of the following tests/reactions is given by aldehydes as well as ketones?
पर्याय
Fehling’s test
Tollen’s test
2, 4 DNP test
Cannizzaro reaction
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उत्तर
2, 4 DNP test
Explanation:
Fehling’s, Tollen’s and Cannizzaro reaction is shown by alcohol only.
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संबंधित प्रश्न
Give a simple chemical test to distinguish between the following pair of compounds:
Ethanal and Propanal
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CH3CH2CHO and CH3CH2COCH3
Give a simple chemical test to distinguish between the following pair of compounds:
Benzoic acid and Ethyl benzoate
Give a simple chemical test to distinguish between the following pair of compounds:
Pentan-2-one and Pentan-3-one
What is the composition of Fehling's reagent?

Which among the above compound/s does/do not form Silver mirror when treated with Tollen's reagent?
The correct set of products obtained in the following reactions:
- \[\ce{RCN ->[reduction]}\]
- \[\ce{RCN ->[(i) CH3MgBr][(ii) H2O]}\]
- \[\ce{RNC ->[hydrolysis]}\]
- \[\ce{RNH2 ->[HNO2]}\]
An organic compound 'A' with the molecular formula C4H8O2 undergoes acid hydrolysis to form two compounds 'B' and 'C'. Oxidation of 'C' with acidified potassium permanganate also produces 'B'. Sodium salt of 'B' on heating with soda lime gives methane.
- Identify 'A', 'B' and 'C'.
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Benzaldehyde is obtained from Rosenmund’s reduction of:
