Q.

Aldehydes and Ketones are differentiated by using

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a

NaOH / I2

b

NaHSO3

c

AgNO3/NH4OH

d

NH2NH2

answer is C.

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Detailed Solution

RCHO+2AgNH32++3OH−→RCOO−+2Ag↓+4NH3+2H2OWhen aldehydes are treated with Tollen’s reagent (ammoniacal solution of silver nitrate), aldehydes are oxidized to carboxylate ion while Tollen’s reagent reduces to metallic silver.
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