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Both propanoic acid, \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{COOH}\) as well as 2-chloropropanoic acid give precipitate with aq. \(\mathrm{AgNO}_3\). How you distinguish the precepitates in the two?
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The correct answer is:
Byaq. \(\mathrm{HNO}_3\)
Precipitates in two cases is due to different compounds.
\(\underset{\text{From propanoic acid}}{\left.\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{COO}^{-} \mathrm{Ag}^{+}\right.} \left. \text {(Soluble in } \mathrm{HNO}_3\right)\)
\(\underset{\text{From chloropropanoic acid}}{\mathrm{AgCl} \text{ (Insoluble in } \mathrm{HNO}_3}\) )
\(\underset{\text{From propanoic acid}}{\left.\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{COO}^{-} \mathrm{Ag}^{+}\right.} \left. \text {(Soluble in } \mathrm{HNO}_3\right)\)
\(\underset{\text{From chloropropanoic acid}}{\mathrm{AgCl} \text{ (Insoluble in } \mathrm{HNO}_3}\) )
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