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Beschreibung
Quiz von Saba Nasrolahi, aktualisiert more than 1 year ago
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Erstellt von Saba Nasrolahi
vor mehr als 7 Jahre
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Frage 1
Frage
In aldehydes, the carbonyl group has a hydrogen atom attached to it together with either:
Antworten
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a second hydrogen atom or, more commonly, a hydrocarbon group which might be an alkyl group or one containing a benzene ring
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a third hydrogen atom with another R group
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one hydrogen atom with two R groups
Frage 2
Frage
How do you make aldehydes?
Antworten
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by oxidising primary alcohols
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by a reflux experiment
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By heating up a ketone
Frage 3
Frage
Which is an aldehyde?
Antworten
Frage 4
Frage
Are aldehydes soluble?
Antworten
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Yes
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No
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Only short chain aldehydes
Frage 5
Frage
Which statement is true?
Antworten
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An aldehyde differs from a ketone by having a hydrogen atom attached to the carbonyl group. This makes the aldehydes very easy to oxidise.
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An aldehyde and a ketone are very similar and act in the same way when you try to oxidise them
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Ketones have that hydrogen atom and are not resistant to oxidation.
Frage 6
Frage
Aldehydes are...
Antworten
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usually more reactive toward nucleophilic substitutions than ketones because of both steric and electronic effects.
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atomically extremely heavy
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do not oxidise
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