Planar Carbon Compounds (Leaving Cert Chemistry): Quizzes
📚Quizzes
Practise the questions
15 questions from this quiz
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Practise the questions
15 questions from this quiz
What type of hybridisation creates planar geometry in carbonyl compounds?
What type of hybridisation creates planar geometry in carbonyl compounds?
hybridisation
What is the general formula for aldehydes?
What is the general formula for aldehydes?
Where is the carbonyl carbon positioned in aldehydes?
Where is the carbonyl carbon positioned in aldehydes?
Always at the end of chain
What is the general formula for ketones?
What is the general formula for ketones?
Where is the carbonyl group located in ketones?
Where is the carbonyl group located in ketones?
Always internal, never at end
Why are ketones more resistant to oxidation than aldehydes?
Why are ketones more resistant to oxidation than aldehydes?
Carbonyl is internal, not terminal
What is the general formula for carboxylic acids?
What is the general formula for carboxylic acids?
What special structure do carboxylic acids form through hydrogen bonding?
What special structure do carboxylic acids form through hydrogen bonding?
Dimers
What type of reaction forms esters from acids and alcohols?
What type of reaction forms esters from acids and alcohols?
Condensation reaction
In ester naming, which part comes first?
In ester naming, which part comes first?
Alkyl group from alcohol
Why do carboxylic acids have higher boiling points than aldehydes?
Why do carboxylic acids have higher boiling points than aldehydes?
Stronger hydrogen bonding
Why do esters have lower boiling points than carboxylic acids?
Why do esters have lower boiling points than carboxylic acids?
No H-bonding between ester molecules
What compound gives almonds their characteristic smell and flavour?
What compound gives almonds their characteristic smell and flavour?
Benzaldehyde
What intermolecular forces exist between aldehyde molecules?
What intermolecular forces exist between aldehyde molecules?
Dipole-dipole interactions
What happens to aldehyde solubility as carbon chain length increases?
What happens to aldehyde solubility as carbon chain length increases?
Solubility decreases