1805174
Descrição
Quiz por Carter Bartlett, atualizado more than 1 year ago
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Criado por Carter Bartlett
mais de 9 anos atrás
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Questão 1
Questão
The Brønsted-Lowry theory states that acids are a...
Responda
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Proton Acceptor
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Electron Acceptor
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Proton Donor
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Electron Donor
Questão 2
Questão
In the diagram. HA is referred to as a...
Responda
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Complex Acid
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Conjugate Acid
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Compound Acid
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Composite Acid
Questão 3
Responda
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1-hydroxybutanoic acid
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3-hydroxybutanol
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3-hydroxybutanoic acid
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hydroxybutandioic acid
Questão 4
Questão
When ethanoic acid (CH3COOH) reacts with a sodium carbonate (Na2CO3), entropy within the system increases.
Responda
- True
- False
Questão 5
Questão
When a carboxylic acid and an alkali are reacted, the following products are formed...
Responda
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An Organic Salt
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Carbon Dioxide
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Water
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Hydrogen
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An Alcohol
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An Ester
Questão 6
Questão
Esters are made in a condensation reaction between a carboxylic acid and a phenol group
Responda
- True
- False
Questão 7
Questão
Esters are formed by refluxing carboxylic acids and alcohols in the presence of which reagent?
Responda
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Concentrated Phosphoric
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Concentrated Nitric Acid
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Concentrated Sulphuric Acid
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Concentrated Boric Acid
Questão 8
Responda
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Ethyl Propanoate
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Ethyl Ethanoate
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Propyl Ethanoate
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Propyl Propanoate
Questão 9
Questão
Which reagent can be used to test for phenols?
Responda
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Copper (II) Sulphate
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Iron (III) Hydroxide
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Copper (II) Hydroxide
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Iron (III) Chloride
Questão 10
Questão
When a ketone or aldehyde is reacted with Hydrogen Cyanide, the resulting product is...
Responda
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A nitrile-carbonyl
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A cyanohydrin
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An amide
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A nitrate
Questão 11
Questão
Which of the following types of chemical reaction always has 100% atom exonomy?
Responda
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Rearrangement
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Addition
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Substitution
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Elimination
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Condensation
Questão 12
Questão
What is the atom economy for making Methyl Propanoate from Methanol and Propanoic Acid.
Responda
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93%
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88%
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83%
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77%
Questão 13
Questão
Using this mass spectrum. Suggest which group this sample belongs to
Responda
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Alkane
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Ester
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Ether
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Carboxylic Acid
Questão 14
Questão
How are Rf values calculated with Thin-Layer Chromatography?
Responda
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Rf = Distance spot travelled / Distance highest spot travelled
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Rf = Distance solvent travelled / Distance spot travelled
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Rf = Distance solvent travelled
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Rf = Distance spot travelled / Distance solvent travelled
Questão 15
Questão
How are insoluble impurities removed in the process of Recrystallisation?
Responda
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Filtration of the cold solution
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Filtration of the hot solution
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Evaporation & condensation of the solution
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Chloronation of the solution
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