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Solve this problem An aldehyde can be distinguished from a Ketone by the use of reagent

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 (1)
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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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