Podcast
Questions and Answers
What is formed when a nitrile is hydrolyzed by dilute acid?
What is formed when a nitrile is hydrolyzed by dilute acid?
- A sodium carboxylate salt and ammonium ion
- A carboxylic acid and ammonia
- A carboxylic acid and ammonium salt (correct)
- A sodium carboxylate salt and ammonia
What is the functional group present in carboxylic acids?
What is the functional group present in carboxylic acids?
- -OH
- -CHO
- -CO
- -COOH (correct)
Which of the following reactions can be used to prepare carboxylic acids?
Which of the following reactions can be used to prepare carboxylic acids?
- Reduction of primary alcohols
- Oxidation of primary alcohols and aldehydes (correct)
- Decomposition of carboxylates
- Hydrolysis of esters
What is the purpose of acidification in the hydrolysis of nitriles by dilute alkali?
What is the purpose of acidification in the hydrolysis of nitriles by dilute alkali?
What is the colour of the dichromate ions in K2Cr2O7?
What is the colour of the dichromate ions in K2Cr2O7?
What is the product of the condensation reaction between an alcohol and a carboxylic acid?
What is the product of the condensation reaction between an alcohol and a carboxylic acid?
What is the result of converting the -CN group to a -COOH group?
What is the result of converting the -CN group to a -COOH group?
What is the product of the oxidation of primary alcohols and aldehydes?
What is the product of the oxidation of primary alcohols and aldehydes?
What is the final product of the hydrolysis of nitriles, regardless of the method used?
What is the final product of the hydrolysis of nitriles, regardless of the method used?
What is the role of acidified K2Cr2O7 and acidified KMnO4 in the preparation of carboxylic acids?
What is the role of acidified K2Cr2O7 and acidified KMnO4 in the preparation of carboxylic acids?
What is the colour of the MnO4- ions in KMnO4?
What is the colour of the MnO4- ions in KMnO4?
What is the result of the hydrolysis of esters by dilute acid?
What is the result of the hydrolysis of esters by dilute acid?
What is the characteristic of carboxylic acids in water?
What is the characteristic of carboxylic acids in water?
What is the pH value of a carboxylic acid solution?
What is the pH value of a carboxylic acid solution?
What is the result of the hydrolysis of esters by dilute alkali and heat followed by acidification?
What is the result of the hydrolysis of esters by dilute alkali and heat followed by acidification?
What type of reaction does carboxylic acid undergo with alkali?
What type of reaction does carboxylic acid undergo with alkali?
What is the purpose of acidification in the hydrolysis of esters by dilute alkali and heat?
What is the purpose of acidification in the hydrolysis of esters by dilute alkali and heat?