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How do I test for the presence of a carboxylic acid?

Add NaHCO₃ or K₂CO₃the reaction will produce CO₂i.e Bubbles!

Answered by Katie D. • Chemistry tutor

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Q3. A third beaker, C, contains 100.0 cm^3 of 0.0125 mol/dm^3 ethanoic acid ( Ka = 1.74 × 10^−5 mol/dm^3 at 25 ºC). Write an expression for Ka and use it to calculate the pH of the ethanoic acid solution in beaker C.

Explain: 1. Why butanoic acid has a higher boiling point than butan1-ol? 2. Why carboxylic acids of short chain length are more soluble in water than those with longer carbon chain length?

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