886065
Descrição
Quiz por sophie.holland96, atualizado more than 1 year ago
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Criado por sophie.holland96
quase 11 anos atrás
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Questão 1
Questão
What are the reaction conditions for the bromination (halogenation) of benzene?
Responda
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Br2
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Br2 / FeBr3
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Br2 / HCl
Questão 2
Questão
What are the reaction conditions for the nitration of benzene?
Responda
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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
Questão 3
Questão
What are the conditions for making phenylamine from nitrobenzene?
Responda
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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
Questão 4
Questão
Select the correct conditions below for diazotisation (creating a benzenediazonium ion from phenylamine)
Responda
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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
Questão 5
Questão
The conditions for creating an azo dye are...
Phenol and acidic
Responda
- True
- False
Questão 6
Questão
How can you make sodium phenoxide from phenol?
Responda
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Add NaOH
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Add Na
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Add NaNO3
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Add chlorine
Questão 7
Questão
How do you make an aldehyde from a primary alcohol?
Responda
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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.
Questão 8
Questão
How do you reduce an aldehyde/ketone to form an alcohol?
Responda
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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
Questão 9
Questão
How do you reduce an aldehyde/ketone to form an alcohol?
Responda
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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
Questão 10
Questão
How would you oxidise a secondary alcohol to a ketone?
Responda
-
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
Questão 11
Questão
How would you test for an aldehyde using Tollen's reagent (ammoniacal silver nitrate)?
Responda
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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).
Questão 12
Questão
How would you make an ester?
Responda
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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.
Questão 13
Questão
How would you go about conducting acid hydrolysis of an ester?
Responda
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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
Questão 14
Questão
How would you go about conducting an alkaline hydrolysis on an ester?
Responda
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Aqueous NaOH, Reflux
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HCl
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NaOH Distil
Questão 15
Questão
How would you convert a halogenoalkane to an alcohol?
Responda
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Add NaOH/water,
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Add NaOH, Reflux
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Add NaOH/water, Reflux
Questão 16
Questão
How would you make an aliphatic amine from a halogenoalkane?
Responda
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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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