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Quiz von sophie.holland96, aktualisiert more than 1 year ago
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Erstellt von sophie.holland96
vor mehr als 10 Jahre
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Frage 1
Frage
What are the reaction conditions for the bromination (halogenation) of benzene?
Antworten
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Br2
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Br2 / FeBr3
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Br2 / HCl
Frage 2
Frage
What are the reaction conditions for the nitration of benzene?
Antworten
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Conc HNO3, Conc HCL, 50 degrees
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Conc HNO2, Conc HCl, 40 degrees
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HNO3, HCL 10 degrees
Frage 3
Frage
What are the conditions for making phenylamine from nitrobenzene?
Antworten
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Sn catalyst/conc HCl
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Sn catalyst/conc HCl and reflux
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Fe catalyst and reflux
Frage 4
Frage
Select the correct conditions below for diazotisation (creating a benzenediazonium ion from phenylamine)
Antworten
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NaNO2
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HCl (aq)
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below 10 degrees
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below 20 degrees
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H2SO4
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Chlorine gas
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HNO3
Frage 5
Frage
The conditions for creating an azo dye are...
Phenol and acidic
Antworten
- True
- False
Frage 6
Frage
How can you make sodium phenoxide from phenol?
Antworten
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Add NaOH
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Add Na
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Add NaNO3
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Add chlorine
Frage 7
Frage
How do you make an aldehyde from a primary alcohol?
Antworten
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Oxidise with acidified potassium dichromate. Example of an acid could be sulphuric acid. Reflux
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Oxidise with Tollen's reagent. And sulphuric acid. Distil.
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Oxidise with acidified potassium dichromate. Example of an acid could be sulphuric acid. Distil immediately.
Frage 8
Frage
How do you reduce an aldehyde/ketone to form an alcohol?
Antworten
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Add NaBH4
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Add NaBH4 , ensure the mixture is aqueous.
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Add HCL and alcohol
Frage 9
Frage
How do you reduce an aldehyde/ketone to form an alcohol?
Antworten
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Add NaBH4
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Add NaBH4 , ensure the mixture is aqueous.
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Add HCL and alcohol
Frage 10
Frage
How would you oxidise a secondary alcohol to a ketone?
Antworten
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Reflux with acidified potassium dichromate (suitable acid would be sulfuric).
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Reflux with hydrochloric acid
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Add NaBH4 (aq) and warm
Frage 11
Frage
How would you test for an aldehyde using Tollen's reagent (ammoniacal silver nitrate)?
Antworten
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Make Tollen's reagent fresh using silver nitrate, add sodium hydroxide to form a precipitate and then just dissolve the precipitate using ammonia. Add your aldehyde to the solution of Tollen's, warm the mixture, and observe the formation of a silver mirror (precipitate).
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Make Tollen's reagent fresh using silver nitrate, add sodium hydroxide to form a precipitate and then just dissolve the precipitate using ammonia. Add your aldehyde to the solution of Tollen's, and observe the formation of a silver mirror (precipitate).
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Add your aldehyde to the solution of bottled Tollen's reagent, and observe the formation of a silver mirror (precipitate).
Frage 12
Frage
How would you make an ester?
Antworten
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Add alcohol and carboxylic acid. In the presence of a sulfuric acid catalyst. Reflux
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Add alcohol and carboxylic acid. In the presence of a sulfuric acid catalyst.
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Add alcohol and carboxylic acid. In the presence of a sulfuric acid catalyst. Distil
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Add alcohol and acid. In the presence of a sulfuric acid catalyst.
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Add alcohol and carboxylic acid. In the presence of a nitric acid catalyst.
Frage 13
Frage
How would you go about conducting acid hydrolysis of an ester?
Antworten
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Ensure an excess of water, Dilute HCl catalyst, Reflux
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Ensure an excess of water, Dilute NaOH Reflux
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Dilute HCl, Reflux
Frage 14
Frage
How would you go about conducting an alkaline hydrolysis on an ester?
Antworten
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Aqueous NaOH, Reflux
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HCl
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NaOH Distil
Frage 15
Frage
How would you convert a halogenoalkane to an alcohol?
Antworten
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Add NaOH/water,
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Add NaOH, Reflux
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Add NaOH/water, Reflux
Frage 16
Frage
How would you make an aliphatic amine from a halogenoalkane?
Antworten
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Add excess ammonia, in an ethanol solvent, and reflux
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Add excess ammonia, in an ethanol solvent
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Add ammonia, in an ethanol solvent, and reflux
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