1.

Give chemical tests to distinguish between the following pair of compounds. (i) Propanal and propanone (ii) Benzaldehyde and Benzoic acid

Answer»

SOLUTION :(i) On ADDING Tollen.s reagent, propanal will give silver mirror whereas PROPANONE does not react.
(II) On adding `NaHCO_2`solution, benzaldehyde will not react whereas benzoic ACID will give brisk effervescence due to the evolution of `CO_2` .


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