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- Engineering
- Solve this problem An aldehyde can be distinguished from a Ketone by the use of reagent
- #Engineering
- #Birla Institute of Technology & Science Admission Test
- #Organic Compounds with Functional Groups Containing Oxygen and Nitrogen
- #Chemistry
An aldehyde can be distinguished from a Ketone by the use of reagent
- Option 1)
Grignard reagent
- Option 2)
Schiff's reagent
- Option 3)
Hydroxylomine
- Option 4)
Hydrazine
Answers (2)
As we learnt in
Oxidation of aldehydes with Tollen's reagent / silver mirror test -
– Distinguish aldehydes from ketones
.– Tollen's reagent = ammoniacal silver nitrate solution.
- wherein
and
Oxidation of aldehydes with Fehling's solution -
– Fehling solution A is aqueous copper sulphate, Fehling solution B is alkaline sodium potassium tartrate (Rochelle salts)
– Distinguished aldehydes from ketones.
- wherein
Beside Tollen's reagent and Fehling's solution, Schiff's reagent is also used to distinguish aldehydes and ketones.
Option 1)
Grignard reagent
This option is incorrect.
Option 2)
Schiff's reagent
This option is correct.
Option 3)
Hydroxylomine
This option is incorrect.
Option 4)
Hydrazine
This option is incorrect.
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