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write chemical tests to distinguish between the following pairs of compounds: (i) Propanal and propanone (ii) Methyl acetate and ethyl acetate.

write chemical tests to distinguish between the following pairs of compounds:
(i) Propanal and propanone
(ii) Methyl acetate and ethyl acetate.

Grade:Upto college level

1 Answers

Gaurav
askIITians Faculty 164 Points
9 years ago
Hello student

(i)Propanal and propanone :
On adding NaOH+I2 ,propanone gives yellowppt of Iodoform whereas propanal does not.
(ii) Methyl acetate and ethyl acetate: Ethyl acetate on hydrolysis gives ethanol
which forms yellow ppt of Iodoform on adding NaOH+I2. Methylacetate on
hydrolysis gives methanol which does not give Iodoform reaction.

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