Carboxylic Acids and Related Reactions Quiz
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Questions and Answers

What is the product formed when a carboxylic acid reacts with a metal carbonate?

  • A metal carboxylate and water
  • A metal oxide and carbon dioxide
  • A metal salt and carbon dioxide (correct)
  • A metal bicarbonate and a carboxylic acid salt

What is the product formed when a carboxylic acid reacts with a metal hydroxide?

  • A metal oxide and carbon dioxide
  • A metal carboxylate and hydrogen gas
  • A metal carbonate and water
  • A metal salt and water (correct)

Which of the following reagents can be used to convert a carboxylic acid into an acid chloride?

  • Phosphorus trichloride (PCl3)
  • Phosphorus pentachloride (PCl5)
  • Thionyl chloride (SOCl2)
  • All of the above (correct)

What is the product formed when a carboxylic acid reacts with an amine?

<p>An ammonium salt and water (A)</p> Signup and view all the answers

Which of the following is the correct equation for the reaction between a carboxylic acid and a metal hydroxide?

<p>RCOOH + MOH → RCOO- + M+ + H2O (B)</p> Signup and view all the answers

What is the purpose of using thionyl chloride (SOCl2) to convert a carboxylic acid into an acid chloride?

<p>To remove water from the reaction mixture (C)</p> Signup and view all the answers

What is the general reaction for the formation of an ester from a carboxylic acid and an alcohol?

<p>O R C O OH + H—OR' ⇌ R C O R' + H2O (B)</p> Signup and view all the answers

How are acid anhydrides formed from carboxylic acids?

<p>By heating 2 moles of the same or different carboxylic acids to remove water (C)</p> Signup and view all the answers

What is the product formed by the reaction of a carboxylic acid with ammonia?

<p>A primary amide (C)</p> Signup and view all the answers

Which reagent is used to reduce carboxylic acids to primary alcohols?

<p>Both lithium aluminum hydride/sodium borohydride and hydrogen gas with nickel catalyst (D)</p> Signup and view all the answers

What is the product formed by the reaction of a carboxylic acid with a primary amine?

<p>A secondary amide (C)</p> Signup and view all the answers

Which reaction is NOT mentioned in the given text for carboxylic acids?

<p>Formation of acid chlorides (A)</p> Signup and view all the answers

Which reaction produces an acid salt and hydrogen gas?

<p>Reaction of a carboxylic acid with an electropositive metal (B)</p> Signup and view all the answers

What is produced when a carboxylic acid reacts with sodium bicarbonate (NaHCO3)?

<p>An acid salt, water, and carbon dioxide gas (A)</p> Signup and view all the answers

Which reagent is used to convert a carboxylic acid to an acid chloride?

<p>All of the above (D)</p> Signup and view all the answers

In the reaction of a carboxylic acid with thionyl chloride (SOCl2), what are the byproducts formed?

<p>Sulfur dioxide (SO2) and hydrogen chloride (HCl) (A)</p> Signup and view all the answers

Which reaction produces an acid salt and water, but no gas?

<p>Reaction of a carboxylic acid with a strong base like NaOH (D)</p> Signup and view all the answers

What is the byproduct formed when a carboxylic acid reacts with phosphorous pentachloride (PCl5) to form an acid chloride?

<p>Phosphorous oxychloride (POCl3) and hydrogen chloride (HCl) (A)</p> Signup and view all the answers

Which metal carbonate or bicarbonate can be used to convert a carboxylic acid to an acid salt?

<p>All of the above (D)</p> Signup and view all the answers

What is the byproduct formed when a carboxylic acid reacts with phosphorous trichloride (PCl3) to form an acid chloride?

<p>Phosphoric acid (H3PO3) (A)</p> Signup and view all the answers

Which reaction produces an acid salt, water, and carbon dioxide gas?

<p>Reaction of a carboxylic acid with a metal carbonate or bicarbonate (B)</p> Signup and view all the answers

Which reagent can be used to convert a carboxylic acid to an acid chloride, producing hydrogen chloride (HCl) as a byproduct?

<p>All of the above (D)</p> Signup and view all the answers

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