Carboxylic Acids (OCR A-Level Chemistry A): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What two groups combine to form the carboxyl functional group?
What two groups combine to form the carboxyl functional group?
Carbonyl and hydroxyl
In naming carboxylic acids, which carbon is always designated as carbon-1?
In naming carboxylic acids, which carbon is always designated as carbon-1?
The carboxyl carbon
How does solubility in water change as the carbon chain length of carboxylic acids increases?
How does solubility in water change as the carbon chain length of carboxylic acids increases?
Solubility decreases
What type of acids are carboxylic acids classified as?
What type of acids are carboxylic acids classified as?
Weak acids
What is the name of the ion formed when ethanoic acid loses a proton?
What is the name of the ion formed when ethanoic acid loses a proton?
Ethanoate ion
What gas is produced when carboxylic acids react with metals?
What gas is produced when carboxylic acids react with metals?
Hydrogen gas
What observation occurs when sodium carbonate is added to a carboxylic acid?
What observation occurs when sodium carbonate is added to a carboxylic acid?
Effervescence
Why is the carbonate test diagnostic for carboxylic acids?
Why is the carbonate test diagnostic for carboxylic acids?
Only carboxylic acids are acidic enough
Up to how many carbon atoms do carboxylic acids remain completely soluble in water?
Up to how many carbon atoms do carboxylic acids remain completely soluble in water?
Four carbon atoms
What products form when carboxylic acids neutralize alkalis?
What products form when carboxylic acids neutralize alkalis?
Salt and water