Alcohols (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 is the functional group present in all alcohols?
What is the functional group present in all alcohols?
Hydroxyl group ()
What is methanol primarily used as in industry?
What is methanol primarily used as in industry?
High-performance fuel & chemical feedstock
How do the boiling points of alcohols compare to alkanes with the same number of carbon atoms?
How do the boiling points of alcohols compare to alkanes with the same number of carbon atoms?
Alcohols have higher boiling points
What type of intermolecular force is present in alcohols but not in alkanes?
What type of intermolecular force is present in alcohols but not in alkanes?
Hydrogen bonds
Why is the bond in alcohols polar?
Why is the bond in alcohols polar?
Oxygen is more electronegative than H
Why are small alcohols like methanol and ethanol completely soluble in water?
Why are small alcohols like methanol and ethanol completely soluble in water?
They form H-bonds with water molecules
What happens to alcohol properties as the carbon chain length increases?
What happens to alcohol properties as the carbon chain length increases?
They resemble alkanes more closely
How many hydrogen atoms are bonded to the carbon bearing in a primary alcohol?
How many hydrogen atoms are bonded to the carbon bearing in a primary alcohol?
2 (or 3 for methanol)
How many alkyl groups are attached to the carbon bearing in a tertiary alcohol?
How many alkyl groups are attached to the carbon bearing in a tertiary alcohol?
3
What is the freezing point of an ethane-1,2-diol and water mixture used in de-icing fluids?
What is the freezing point of an ethane-1,2-diol and water mixture used in de-icing fluids?
As low as